nginx各版本变化说明

from: http://nginx.org/en/CHANGES

使用nginx cache,想要配置cache数据自动清理时间,发现一个参数 clean_time ,但发现很早这个参数就从稳定版本中 清除了。目前来看,只能用purge指令控制。

以下是 nginx 各个版本的 changes 说明。

Changes with nginx 1.7.7                                         28 Oct 2014

    *) Change: now nginx takes into account the "Vary" header line in a
       backend response while caching.

    *) Feature: the "proxy_force_ranges", "fastcgi_force_ranges",
       "scgi_force_ranges", and "uwsgi_force_ranges" directives.

    *) Feature: the "proxy_limit_rate", "fastcgi_limit_rate",
       "scgi_limit_rate", and "uwsgi_limit_rate" directives.

    *) Feature: the "Vary" parameter of the "proxy_ignore_headers",
       "fastcgi_ignore_headers", "scgi_ignore_headers", and
       "uwsgi_ignore_headers" directives.

    *) Bugfix: the last part of a response received from a backend with
       unbufferred proxy might not be sent to a client if "gzip" or "gunzip"
       directives were used.

    *) Bugfix: in the "proxy_cache_revalidate" directive.
       Thanks to Piotr Sikora.

    *) Bugfix: in error handling.
       Thanks to Yichun Zhang and Daniil Bondarev.

    *) Bugfix: in the "proxy_next_upstream_tries" and
       "proxy_next_upstream_timeout" directives.
       Thanks to Feng Gu.

    *) Bugfix: nginx/Windows could not be built with MinGW-w64 gcc.
       Thanks to Kouhei Sutou.


Changes with nginx 1.7.6                                         30 Sep 2014

    *) Change: the deprecated "limit_zone" directive is not supported
       anymore.

    *) Feature: the "limit_conn_zone" and "limit_req_zone" directives now
       can be used with combinations of multiple variables.

    *) Bugfix: request body might be transmitted incorrectly when retrying a
       FastCGI request to the next upstream server.

    *) Bugfix: in logging to syslog.


Changes with nginx 1.7.5                                         16 Sep 2014

    *) Security: it was possible to reuse SSL sessions in unrelated contexts
       if a shared SSL session cache or the same TLS session ticket key was
       used for multiple "server" blocks (CVE-2014-3616).
       Thanks to Antoine Delignat-Lavaud.

    *) Change: now the "stub_status" directive does not require a parameter.

    *) Feature: the "always" parameter of the "add_header" directive.

    *) Feature: the "proxy_next_upstream_tries",
       "proxy_next_upstream_timeout", "fastcgi_next_upstream_tries",
       "fastcgi_next_upstream_timeout", "memcached_next_upstream_tries",
       "memcached_next_upstream_timeout", "scgi_next_upstream_tries",
       "scgi_next_upstream_timeout", "uwsgi_next_upstream_tries", and
       "uwsgi_next_upstream_timeout" directives.

    *) Bugfix: in the "if" parameter of the "access_log" directive.

    *) Bugfix: in the ngx_http_perl_module.
       Thanks to Piotr Sikora.

    *) Bugfix: the "listen" directive of the mail proxy module did not allow
       to specify more than two parameters.

    *) Bugfix: the "sub_filter" directive did not work with a string to
       replace consisting of a single character.

    *) Bugfix: requests might hang if resolver was used and a timeout
       occurred during a DNS request.

    *) Bugfix: in the ngx_http_spdy_module when using with AIO.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "set" directive was used to change the "$http_...", "$sent_http_...",
       or "$upstream_http_..." variables.

    *) Bugfix: in memory allocation error handling.
       Thanks to Markus Linnala and Feng Gu.


Changes with nginx 1.7.4                                         05 Aug 2014

    *) Security: pipelined commands were not discarded after STARTTLS
       command in SMTP proxy (CVE-2014-3556); the bug had appeared in 1.5.6.
       Thanks to Chris Boulton.

    *) Change: URI escaping now uses uppercase hexadecimal digits.
       Thanks to Piotr Sikora.

    *) Feature: now nginx can be build with BoringSSL and LibreSSL.
       Thanks to Piotr Sikora.

    *) Bugfix: requests might hang if resolver was used and a DNS server
       returned a malformed response; the bug had appeared in 1.5.8.

    *) Bugfix: in the ngx_http_spdy_module.
       Thanks to Piotr Sikora.

    *) Bugfix: the $uri variable might contain garbage when returning errors
       with code 400.
       Thanks to Sergey Bobrov.

    *) Bugfix: in error handling in the "proxy_store" directive and the
       ngx_http_dav_module.
       Thanks to Feng Gu.

    *) Bugfix: a segmentation fault might occur if logging of errors to
       syslog was used; the bug had appeared in 1.7.1.

    *) Bugfix: the $geoip_latitude, $geoip_longitude, $geoip_dma_code, and
       $geoip_area_code variables might not work.
       Thanks to Yichun Zhang.

    *) Bugfix: in memory allocation error handling.
       Thanks to Tatsuhiko Kubo and Piotr Sikora.


Changes with nginx 1.7.3                                         08 Jul 2014

    *) Feature: weak entity tags are now preserved on response
       modifications, and strong ones are changed to weak.

    *) Feature: cache revalidation now uses If-None-Match header if
       possible.

    *) Feature: the "ssl_password_file" directive.

    *) Bugfix: the If-None-Match request header line was ignored if there
       was no Last-Modified header in a response returned from cache.

    *) Bugfix: "peer closed connection in SSL handshake" messages were
       logged at "info" level instead of "error" while connecting to
       backends.

    *) Bugfix: in the ngx_http_dav_module module in nginx/Windows.

    *) Bugfix: SPDY connections might be closed prematurely if caching was
       used.


Changes with nginx 1.7.2                                         17 Jun 2014

    *) Feature: the "hash" directive inside the "upstream" block.

    *) Feature: defragmentation of free shared memory blocks.
       Thanks to Wandenberg Peixoto and Yichun Zhang.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       default value of the "access_log" directive was used; the bug had
       appeared in 1.7.0.
       Thanks to Piotr Sikora.

    *) Bugfix: trailing slash was mistakenly removed from the last parameter
       of the "try_files" directive.

    *) Bugfix: nginx could not be built on OS X in some cases.

    *) Bugfix: in the ngx_http_spdy_module.


Changes with nginx 1.7.1                                         27 May 2014

    *) Feature: the "$upstream_cookie_..." variables.

    *) Feature: the $ssl_client_fingerprint variable.

    *) Feature: the "error_log" and "access_log" directives now support
       logging to syslog.

    *) Feature: the mail proxy now logs client port on connect.

    *) Bugfix: memory leak if the "ssl_stapling" directive was used.
       Thanks to Filipe da Silva.

    *) Bugfix: the "alias" directive used inside a location given by a
       regular expression worked incorrectly if the "if" or "limit_except"
       directives were used.

    *) Bugfix: the "charset" directive did not set a charset to encoded
       backend responses.

    *) Bugfix: a "proxy_pass" directive without URI part might use original
       request after the $args variable was set.
       Thanks to Yichun Zhang.

    *) Bugfix: in the "none" parameter in the "smtp_auth" directive; the bug
       had appeared in 1.5.6.
       Thanks to Svyatoslav Nikolsky.

    *) Bugfix: if sub_filter and SSI were used together, then responses
       might be transferred incorrectly.

    *) Bugfix: nginx could not be built with the --with-file-aio option on
       Linux/aarch64.


Changes with nginx 1.7.0                                         24 Apr 2014

    *) Feature: backend SSL certificate verification.

    *) Feature: support for SNI while working with SSL backends.

    *) Feature: the $ssl_server_name variable.

    *) Feature: the "if" parameter of the "access_log" directive.


Changes with nginx 1.5.13                                        08 Apr 2014

    *) Change: improved hash table handling; the default values of the
       "variables_hash_max_size" and "types_hash_bucket_size" were changed
       to 1024 and 64 respectively.

    *) Feature: the ngx_http_mp4_module now supports the "end" argument.

    *) Feature: byte ranges support in the ngx_http_mp4_module and while
       saving responses to cache.

    *) Bugfix: alerts "ngx_slab_alloc() failed: no memory" no longer logged
       when using shared memory in the "ssl_session_cache" directive and in
       the ngx_http_limit_req_module.

    *) Bugfix: the "underscores_in_headers" directive did not allow
       underscore as a first character of a header.
       Thanks to Piotr Sikora.

    *) Bugfix: cache manager might hog CPU on exit in nginx/Windows.

    *) Bugfix: nginx/Windows terminated abnormally if the
       "ssl_session_cache" directive was used with the "shared" parameter.

    *) Bugfix: in the ngx_http_spdy_module.


Changes with nginx 1.5.12                                        18 Mar 2014

    *) Security: a heap memory buffer overflow might occur in a worker
       process while handling a specially crafted request by
       ngx_http_spdy_module, potentially resulting in arbitrary code
       execution (CVE-2014-0133).
       Thanks to Lucas Molas, researcher at Programa STIC, Fundación Dr.
       Manuel Sadosky, Buenos Aires, Argentina.

    *) Feature: the "proxy_protocol" parameters of the "listen" and
       "real_ip_header" directives, the $proxy_protocol_addr variable.

    *) Bugfix: in the "fastcgi_next_upstream" directive.
       Thanks to Lucas Molas.


Changes with nginx 1.5.11                                        04 Mar 2014

    *) Security: memory corruption might occur in a worker process on 32-bit
       platforms while handling a specially crafted request by
       ngx_http_spdy_module, potentially resulting in arbitrary code
       execution (CVE-2014-0088); the bug had appeared in 1.5.10.
       Thanks to Lucas Molas, researcher at Programa STIC, Fundación Dr.
       Manuel Sadosky, Buenos Aires, Argentina.

    *) Feature: the $ssl_session_reused variable.

    *) Bugfix: the "client_max_body_size" directive might not work when
       reading a request body using chunked transfer encoding; the bug had
       appeared in 1.3.9.
       Thanks to Lucas Molas.

    *) Bugfix: a segmentation fault might occur in a worker process when
       proxying WebSocket connections.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       ngx_http_spdy_module was used on 32-bit platforms; the bug had
       appeared in 1.5.10.

    *) Bugfix: the $upstream_status variable might contain wrong data if the
       "proxy_cache_use_stale" or "proxy_cache_revalidate" directives were
       used.
       Thanks to Piotr Sikora.

    *) Bugfix: a segmentation fault might occur in a worker process if
       errors with code 400 were redirected to a named location using the
       "error_page" directive.

    *) Bugfix: nginx/Windows could not be built with Visual Studio 2013.


Changes with nginx 1.5.10                                        04 Feb 2014

    *) Feature: the ngx_http_spdy_module now uses SPDY 3.1 protocol.
       Thanks to Automattic and MaxCDN for sponsoring this work.

    *) Feature: the ngx_http_mp4_module now skips tracks too short for a
       seek requested.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       $ssl_session_id variable was used in logs; the bug had appeared in
       1.5.9.

    *) Bugfix: the $date_local and $date_gmt variables used wrong format
       outside of the ngx_http_ssi_filter_module.

    *) Bugfix: client connections might be immediately closed if deferred
       accept was used; the bug had appeared in 1.3.15.

    *) Bugfix: alerts "getsockopt(TCP_FASTOPEN) ... failed" appeared in logs
       during binary upgrade on Linux; the bug had appeared in 1.5.8.
       Thanks to Piotr Sikora.


Changes with nginx 1.5.9                                         22 Jan 2014

    *) Change: now nginx expects escaped URIs in "X-Accel-Redirect" headers.

    *) Feature: the "ssl_buffer_size" directive.

    *) Feature: the "limit_rate" directive can now be used to rate limit
       responses sent in SPDY connections.

    *) Feature: the "spdy_chunk_size" directive.

    *) Feature: the "ssl_session_tickets" directive.
       Thanks to Dirkjan Bussink.

    *) Bugfix: the $ssl_session_id variable contained full session
       serialized instead of just a session id.
       Thanks to Ivan Ristić.

    *) Bugfix: nginx incorrectly handled escaped "?" character in the
       "include" SSI command.

    *) Bugfix: the ngx_http_dav_module did not unescape destination URI of
       the COPY and MOVE methods.

    *) Bugfix: resolver did not understand domain names with a trailing dot.
       Thanks to Yichun Zhang.

    *) Bugfix: alerts "zero size buf in output" might appear in logs while
       proxying; the bug had appeared in 1.3.9.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       ngx_http_spdy_module was used.

    *) Bugfix: proxied WebSocket connections might hang right after
       handshake if the select, poll, or /dev/poll methods were used.

    *) Bugfix: the "xclient" directive of the mail proxy module incorrectly
       handled IPv6 client addresses.


Changes with nginx 1.5.8                                         17 Dec 2013

    *) Feature: IPv6 support in resolver.

    *) Feature: the "listen" directive supports the "fastopen" parameter.
       Thanks to Mathew Rodley.

    *) Feature: SSL support in the ngx_http_uwsgi_module.
       Thanks to Roberto De Ioris.

    *) Feature: vim syntax highlighting scripts were added to contrib.
       Thanks to Evan Miller.

    *) Bugfix: a timeout might occur while reading client request body in an
       SSL connection using chunked transfer encoding.

    *) Bugfix: the "master_process" directive did not work correctly in
       nginx/Windows.

    *) Bugfix: the "setfib" parameter of the "listen" directive might not
       work.

    *) Bugfix: in the ngx_http_spdy_module.


Changes with nginx 1.5.7                                         19 Nov 2013

    *) Security: a character following an unescaped space in a request line
       was handled incorrectly (CVE-2013-4547); the bug had appeared in
       0.8.41.
       Thanks to Ivan Fratric of the Google Security Team.

    *) Change: a logging level of auth_basic errors about no user/password
       provided has been lowered from "error" to "info".

    *) Feature: the "proxy_cache_revalidate", "fastcgi_cache_revalidate",
       "scgi_cache_revalidate", and "uwsgi_cache_revalidate" directives.

    *) Feature: the "ssl_session_ticket_key" directive.
       Thanks to Piotr Sikora.

    *) Bugfix: the directive "add_header Cache-Control ''" added a
       "Cache-Control" response header line with an empty value.

    *) Bugfix: the "satisfy any" directive might return 403 error instead of
       401 if auth_request and auth_basic directives were used.
       Thanks to Jan Marc Hoffmann.

    *) Bugfix: the "accept_filter" and "deferred" parameters of the "listen"
       directive were ignored for listen sockets created during binary
       upgrade.
       Thanks to Piotr Sikora.

    *) Bugfix: some data received from a backend with unbufferred proxy
       might not be sent to a client immediately if "gzip" or "gunzip"
       directives were used.
       Thanks to Yichun Zhang.

    *) Bugfix: in error handling in ngx_http_gunzip_filter_module.

    *) Bugfix: responses might hang if the ngx_http_spdy_module was used
       with the "auth_request" directive.

    *) Bugfix: memory leak in nginx/Windows.


Changes with nginx 1.5.6                                         01 Oct 2013

    *) Feature: the "fastcgi_buffering" directive.

    *) Feature: the "proxy_ssl_protocols" and "proxy_ssl_ciphers"
       directives.
       Thanks to Piotr Sikora.

    *) Feature: optimization of SSL handshakes when using long certificate
       chains.

    *) Feature: the mail proxy supports SMTP pipelining.

    *) Bugfix: in the ngx_http_auth_basic_module when using "$apr1$"
       password encryption method.
       Thanks to Markus Linnala.

    *) Bugfix: in MacOSX, Cygwin, and nginx/Windows incorrect location might
       be used to process a request if locations were given using characters
       in different cases.

    *) Bugfix: automatic redirect with appended trailing slash for proxied
       locations might not work.

    *) Bugfix: in the mail proxy server.

    *) Bugfix: in the ngx_http_spdy_module.


Changes with nginx 1.5.5                                         17 Sep 2013

    *) Change: now nginx assumes HTTP/1.0 by default if it is not able to
       detect protocol reliably.

    *) Feature: the "disable_symlinks" directive now uses O_PATH on Linux.

    *) Feature: now nginx uses EPOLLRDHUP events to detect premature
       connection close by clients if the "epoll" method is used.

    *) Bugfix: in the "valid_referers" directive if the "server_names"
       parameter was used.

    *) Bugfix: the $request_time variable did not work in nginx/Windows.

    *) Bugfix: in the "image_filter" directive.
       Thanks to Lanshun Zhou.

    *) Bugfix: OpenSSL 1.0.1f compatibility.
       Thanks to Piotr Sikora.


Changes with nginx 1.5.4                                         27 Aug 2013

    *) Change: the "js" extension MIME type has been changed to
       "application/javascript"; default value of the "charset_types"
       directive was changed accordingly.

    *) Change: now the "image_filter" directive with the "size" parameter
       returns responses with the "application/json" MIME type.

    *) Feature: the ngx_http_auth_request_module.

    *) Bugfix: a segmentation fault might occur on start or during
       reconfiguration if the "try_files" directive was used with an empty
       parameter.

    *) Bugfix: memory leak if relative paths were specified using variables
       in the "root" or "auth_basic_user_file" directives.

    *) Bugfix: the "valid_referers" directive incorrectly executed regular
       expressions if a "Referer" header started with "https://".
       Thanks to Liangbin Li.

    *) Bugfix: responses might hang if subrequests were used and an SSL
       handshake error happened during subrequest processing.
       Thanks to Aviram Cohen.

    *) Bugfix: in the ngx_http_autoindex_module.

    *) Bugfix: in the ngx_http_spdy_module.


Changes with nginx 1.5.3                                         30 Jul 2013

    *) Change in internal API: now u->length defaults to -1 if working with
       backends in unbuffered mode.

    *) Change: now after receiving an incomplete response from a backend
       server nginx tries to send an available part of the response to a
       client, and then closes client connection.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       ngx_http_spdy_module was used with the "client_body_in_file_only"
       directive.

    *) Bugfix: the "so_keepalive" parameter of the "listen" directive might
       be handled incorrectly on DragonFlyBSD.
       Thanks to Sepherosa Ziehau.

    *) Bugfix: in the ngx_http_xslt_filter_module.

    *) Bugfix: in the ngx_http_sub_filter_module.


Changes with nginx 1.5.2                                         02 Jul 2013

    *) Feature: now several "error_log" directives can be used.

    *) Bugfix: the $r->header_in() embedded perl method did not return value
       of the "Cookie" and "X-Forwarded-For" request header lines; the bug
       had appeared in 1.3.14.

    *) Bugfix: in the ngx_http_spdy_module.
       Thanks to Jim Radford.

    *) Bugfix: nginx could not be built on Linux with x32 ABI.
       Thanks to Serguei Ivantsov.


Changes with nginx 1.5.1                                         04 Jun 2013

    *) Feature: the "ssi_last_modified", "sub_filter_last_modified", and
       "xslt_last_modified" directives.
       Thanks to Alexey Kolpakov.

    *) Feature: the "http_403" parameter of the "proxy_next_upstream",
       "fastcgi_next_upstream", "scgi_next_upstream", and
       "uwsgi_next_upstream" directives.

    *) Feature: the "allow" and "deny" directives now support unix domain
       sockets.

    *) Bugfix: nginx could not be built with the ngx_mail_ssl_module, but
       without ngx_http_ssl_module; the bug had appeared in 1.3.14.

    *) Bugfix: in the "proxy_set_body" directive.
       Thanks to Lanshun Zhou.

    *) Bugfix: in the "lingering_time" directive.
       Thanks to Lanshun Zhou.

    *) Bugfix: the "fail_timeout" parameter of the "server" directive in the
       "upstream" context might not work if "max_fails" parameter was used;
       the bug had appeared in 1.3.0.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "ssl_stapling" directive was used.
       Thanks to Piotr Sikora.

    *) Bugfix: in the mail proxy server.
       Thanks to Filipe Da Silva.

    *) Bugfix: nginx/Windows might stop accepting connections if several
       worker processes were used.


Changes with nginx 1.5.0                                         07 May 2013

    *) Security: a stack-based buffer overflow might occur in a worker
       process while handling a specially crafted request, potentially
       resulting in arbitrary code execution (CVE-2013-2028); the bug had
       appeared in 1.3.9.
       Thanks to Greg MacManus, iSIGHT Partners Labs.


Changes with nginx 1.4.0                                         24 Apr 2013

    *) Bugfix: nginx could not be built with the ngx_http_perl_module if the
       --with-openssl option was used; the bug had appeared in 1.3.16.

    *) Bugfix: in a request body handling in the ngx_http_perl_module; the
       bug had appeared in 1.3.9.


Changes with nginx 1.3.16                                        16 Apr 2013

    *) Bugfix: a segmentation fault might occur in a worker process if
       subrequests were used; the bug had appeared in 1.3.9.

    *) Bugfix: the "tcp_nodelay" directive caused an error if a WebSocket
       connection was proxied into a unix domain socket.

    *) Bugfix: the $upstream_response_length variable has an incorrect value
       "0" if buffering was not used.
       Thanks to Piotr Sikora.

    *) Bugfix: in the eventport and /dev/poll methods.


Changes with nginx 1.3.15                                        26 Mar 2013

    *) Change: opening and closing a connection without sending any data in
       it is no longer logged to access_log with error code 400.

    *) Feature: the ngx_http_spdy_module.
       Thanks to Automattic for sponsoring this work.

    *) Feature: the "limit_req_status" and "limit_conn_status" directives.
       Thanks to Nick Marden.

    *) Feature: the "image_filter_interlace" directive.
       Thanks to Ian Babrou.

    *) Feature: $connections_waiting variable in the
       ngx_http_stub_status_module.

    *) Feature: the mail proxy module now supports IPv6 backends.

    *) Bugfix: request body might be transmitted incorrectly when retrying a
       request to the next upstream server; the bug had appeared in 1.3.9.
       Thanks to Piotr Sikora.

    *) Bugfix: in the "client_body_in_file_only" directive; the bug had
       appeared in 1.3.9.

    *) Bugfix: responses might hang if subrequests were used and a DNS error
       happened during subrequest processing.
       Thanks to Lanshun Zhou.

    *) Bugfix: in backend usage accounting.


Changes with nginx 1.3.14                                        05 Mar 2013

    *) Feature: $connections_active, $connections_reading, and
       $connections_writing variables in the ngx_http_stub_status_module.

    *) Feature: support of WebSocket connections in the
       ngx_http_uwsgi_module and ngx_http_scgi_module.

    *) Bugfix: in virtual servers handling with SNI.

    *) Bugfix: new sessions were not always stored if the "ssl_session_cache
       shared" directive was used and there was no free space in shared
       memory.
       Thanks to Piotr Sikora.

    *) Bugfix: multiple X-Forwarded-For headers were handled incorrectly.
       Thanks to Neal Poole for sponsoring this work.

    *) Bugfix: in the ngx_http_mp4_module.
       Thanks to Gernot Vormayr.


Changes with nginx 1.3.13                                        19 Feb 2013

    *) Change: a compiler with name "cc" is now used by default.

    *) Feature: support for proxying of WebSocket connections.
       Thanks to Apcera and CloudBees for sponsoring this work.

    *) Feature: the "auth_basic_user_file" directive supports "{SHA}"
       password encryption method.
       Thanks to Louis Opter.


Changes with nginx 1.3.12                                        05 Feb 2013

    *) Feature: variables support in the "proxy_bind", "fastcgi_bind",
       "memcached_bind", "scgi_bind", and "uwsgi_bind" directives.

    *) Feature: the $pipe, $request_length, $time_iso8601, and $time_local
       variables can now be used not only in the "log_format" directive.
       Thanks to Kiril Kalchev.

    *) Feature: IPv6 support in the ngx_http_geoip_module.
       Thanks to Gregor Kališnik.

    *) Bugfix: in the "proxy_method" directive.

    *) Bugfix: a segmentation fault might occur in a worker process if
       resolver was used with the poll method.

    *) Bugfix: nginx might hog CPU during SSL handshake with a backend if
       the select, poll, or /dev/poll methods were used.

    *) Bugfix: the "[crit] SSL_write() failed (SSL:)" error.

    *) Bugfix: in the "client_body_in_file_only" directive; the bug had
       appeared in 1.3.9.

    *) Bugfix: in the "fastcgi_keep_conn" directive.


Changes with nginx 1.3.11                                        10 Jan 2013

    *) Bugfix: a segmentation fault might occur if logging was used; the bug
       had appeared in 1.3.10.

    *) Bugfix: the "proxy_pass" directive did not work with IP addresses
       without port specified; the bug had appeared in 1.3.10.

    *) Bugfix: a segmentation fault occurred on start or during
       reconfiguration if the "keepalive" directive was specified more than
       once in a single upstream block.

    *) Bugfix: parameter "default" of the "geo" directive did not set
       default value for IPv6 addresses.


Changes with nginx 1.3.10                                        25 Dec 2012

    *) Change: domain names specified in configuration file are now resolved
       to IPv6 addresses as well as IPv4 ones.

    *) Change: now if the "include" directive with mask is used on Unix
       systems, included files are sorted in alphabetical order.

    *) Change: the "add_header" directive adds headers to 201 responses.

    *) Feature: the "geo" directive now supports IPv6 addresses in CIDR
       notation.

    *) Feature: the "flush" and "gzip" parameters of the "access_log"
       directive.

    *) Feature: variables support in the "auth_basic" directive.

    *) Bugfix: nginx could not be built with the ngx_http_perl_module in
       some cases.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       ngx_http_xslt_module was used.

    *) Bugfix: nginx could not be built on MacOSX in some cases.
       Thanks to Piotr Sikora.

    *) Bugfix: the "limit_rate" directive with high rates might result in
       truncated responses on 32-bit platforms.
       Thanks to Alexey Antropov.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "if" directive was used.
       Thanks to Piotr Sikora.

    *) Bugfix: a "100 Continue" response was issued with "413 Request Entity
       Too Large" responses.

    *) Bugfix: the "image_filter", "image_filter_jpeg_quality" and
       "image_filter_sharpen" directives might be inherited incorrectly.
       Thanks to Ian Babrou.

    *) Bugfix: "crypt_r() failed" errors might appear if the "auth_basic"
       directive was used on Linux.

    *) Bugfix: in backup servers handling.
       Thanks to Thomas Chen.

    *) Bugfix: proxied HEAD requests might return incorrect response if the
       "gzip" directive was used.


Changes with nginx 1.3.9                                         27 Nov 2012

    *) Feature: support for chunked transfer encoding while reading client
       request body.

    *) Feature: the $request_time and $msec variables can now be used not
       only in the "log_format" directive.

    *) Bugfix: cache manager and cache loader processes might not be able to
       start if more than 512 listen sockets were used.

    *) Bugfix: in the ngx_http_dav_module.


Changes with nginx 1.3.8                                         30 Oct 2012

    *) Feature: the "optional_no_ca" parameter of the "ssl_verify_client"
       directive.
       Thanks to Mike Kazantsev and Eric O'Connor.

    *) Feature: the $bytes_sent, $connection, and $connection_requests
       variables can now be used not only in the "log_format" directive.
       Thanks to Benjamin Grössing.

    *) Feature: the "auto" parameter of the "worker_processes" directive.

    *) Bugfix: "cache file ... has md5 collision" alert.

    *) Bugfix: in the ngx_http_gunzip_filter_module.

    *) Bugfix: in the "ssl_stapling" directive.


Changes with nginx 1.3.7                                         02 Oct 2012

    *) Feature: OCSP stapling support.
       Thanks to Comodo, DigiCert and GlobalSign for sponsoring this work.

    *) Feature: the "ssl_trusted_certificate" directive.

    *) Feature: resolver now randomly rotates addresses returned from cache.
       Thanks to Anton Jouline.

    *) Bugfix: OpenSSL 0.9.7 compatibility.


Changes with nginx 1.3.6                                         12 Sep 2012

    *) Feature: the ngx_http_gunzip_filter_module.

    *) Feature: the "memcached_gzip_flag" directive.

    *) Feature: the "always" parameter of the "gzip_static" directive.

    *) Bugfix: in the "limit_req" directive; the bug had appeared in 1.1.14.
       Thanks to Charles Chen.

    *) Bugfix: nginx could not be built by gcc 4.7 with -O2 optimization if
       the --with-ipv6 option was used.


Changes with nginx 1.3.5                                         21 Aug 2012

    *) Change: the ngx_http_mp4_module module no longer skips tracks in
       formats other than H.264 and AAC.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "map" directive was used with variables as values.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "geo" directive was used with the "ranges" parameter but without the
       "default" parameter; the bug had appeared in 0.8.43.
       Thanks to Zhen Chen and Weibin Yao.

    *) Bugfix: in the -p command-line parameter handling.

    *) Bugfix: in the mail proxy server.

    *) Bugfix: of minor potential bugs.
       Thanks to Coverity.

    *) Bugfix: nginx/Windows could not be built with Visual Studio 2005
       Express.
       Thanks to HAYASHI Kentaro.


Changes with nginx 1.3.4                                         31 Jul 2012

    *) Change: the "ipv6only" parameter is now turned on by default for
       listening IPv6 sockets.

    *) Feature: the Clang compiler support.

    *) Bugfix: extra listening sockets might be created.
       Thanks to Roman Odaisky.

    *) Bugfix: nginx/Windows might hog CPU if a worker process failed to
       start.
       Thanks to Ricardo Villalobos Guevara.

    *) Bugfix: the "proxy_pass_header", "fastcgi_pass_header",
       "scgi_pass_header", "uwsgi_pass_header", "proxy_hide_header",
       "fastcgi_hide_header", "scgi_hide_header", and "uwsgi_hide_header"
       directives might be inherited incorrectly.


Changes with nginx 1.3.3                                         10 Jul 2012

    *) Feature: entity tags support and the "etag" directive.

    *) Bugfix: trailing dot in a source value was not ignored if the "map"
       directive was used with the "hostnames" parameter.

    *) Bugfix: incorrect location might be used to process a request if a
       URI was changed via a "rewrite" directive before an internal redirect
       to a named location.


Changes with nginx 1.3.2                                         26 Jun 2012

    *) Change: the "single" parameter of the "keepalive" directive is now
       ignored.

    *) Change: SSL compression is now disabled when using all versions of
       OpenSSL, including ones prior to 1.0.0.

    *) Feature: it is now possible to use the "ip_hash" directive to balance
       IPv6 clients.

    *) Feature: the $status variable can now be used not only in the
       "log_format" directive.

    *) Bugfix: a segmentation fault might occur in a worker process on
       shutdown if the "resolver" directive was used.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       ngx_http_mp4_module was used.

    *) Bugfix: in the ngx_http_mp4_module.

    *) Bugfix: a segmentation fault might occur in a worker process if
       conflicting wildcard server names were used.

    *) Bugfix: nginx might be terminated abnormally on a SIGBUS signal on
       ARM platform.

    *) Bugfix: an alert "sendmsg() failed (9: Bad file number)" on HP-UX
       while reconfiguration.


Changes with nginx 1.3.1                                         05 Jun 2012

    *) Security: now nginx/Windows ignores trailing dot in URI path
       component, and does not allow URIs with ":$" in it.
       Thanks to Vladimir Kochetkov, Positive Research Center.

    *) Feature: the "proxy_pass", "fastcgi_pass", "scgi_pass", "uwsgi_pass"
       directives, and the "server" directive inside the "upstream" block,
       now support IPv6 addresses.

    *) Feature: the "resolver" directive now supports IPv6 addresses and an
       optional port specification.

    *) Feature: the "least_conn" directive inside the "upstream" block.

    *) Feature: it is now possible to specify a weight for servers while
       using the "ip_hash" directive.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "image_filter" directive was used; the bug had appeared in 1.3.0.

    *) Bugfix: nginx could not be built with ngx_cpp_test_module; the bug
       had appeared in 1.1.12.

    *) Bugfix: access to variables from SSI and embedded perl module might
       not work after reconfiguration.
       Thanks to Yichun Zhang.

    *) Bugfix: in the ngx_http_xslt_filter_module.
       Thanks to Kuramoto Eiji.

    *) Bugfix: memory leak if $geoip_org variable was used.
       Thanks to Denis F. Latypoff.

    *) Bugfix: in the "proxy_cookie_domain" and "proxy_cookie_path"
       directives.


Changes with nginx 1.3.0                                         15 May 2012

    *) Feature: the "debug_connection" directive now supports IPv6 addresses
       and the "unix:" parameter.

    *) Feature: the "set_real_ip_from" directive and the "proxy" parameter
       of the "geo" directive now support IPv6 addresses.

    *) Feature: the "real_ip_recursive", "geoip_proxy", and
       "geoip_proxy_recursive" directives.

    *) Feature: the "proxy_recursive" parameter of the "geo" directive.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "resolver" directive was used.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "fastcgi_pass", "scgi_pass", or "uwsgi_pass" directives were used and
       backend returned incorrect response.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "rewrite" directive was used and new request arguments in a
       replacement used variables.

    *) Bugfix: nginx might hog CPU if the open file resource limit was
       reached.

    *) Bugfix: nginx might loop infinitely over backends if the
       "proxy_next_upstream" directive with the "http_404" parameter was
       used and there were backup servers specified in an upstream block.

    *) Bugfix: adding the "down" parameter of the "server" directive might
       cause unneeded client redistribution among backend servers if the
       "ip_hash" directive was used.

    *) Bugfix: socket leak.
       Thanks to Yichun Zhang.

    *) Bugfix: in the ngx_http_fastcgi_module.


Changes with nginx 1.2.0                                         23 Apr 2012

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "try_files" directive was used; the bug had appeared in 1.1.19.

    *) Bugfix: response might be truncated if there were more than IOV_MAX
       buffers used.

    *) Bugfix: in the "crop" parameter of the "image_filter" directive.
       Thanks to Maxim Bublis.


Changes with nginx 1.1.19                                        12 Apr 2012

    *) Security: specially crafted mp4 file might allow to overwrite memory
       locations in a worker process if the ngx_http_mp4_module was used,
       potentially resulting in arbitrary code execution (CVE-2012-2089).
       Thanks to Matthew Daley.

    *) Bugfix: nginx/Windows might be terminated abnormally.
       Thanks to Vincent Lee.

    *) Bugfix: nginx hogged CPU if all servers in an upstream were marked as
       "backup".

    *) Bugfix: the "allow" and "deny" directives might be inherited
       incorrectly if they were used with IPv6 addresses.

    *) Bugfix: the "modern_browser" and "ancient_browser" directives might
       be inherited incorrectly.

    *) Bugfix: timeouts might be handled incorrectly on Solaris/SPARC.

    *) Bugfix: in the ngx_http_mp4_module.


Changes with nginx 1.1.18                                        28 Mar 2012

    *) Change: keepalive connections are no longer disabled for Safari by
       default.

    *) Feature: the $connection_requests variable.

    *) Feature: $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd and
       $tcpinfo_rcv_space variables.

    *) Feature: the "worker_cpu_affinity" directive now works on FreeBSD.

    *) Feature: the "xslt_param" and "xslt_string_param" directives.
       Thanks to Samuel Behan.

    *) Bugfix: in configure tests.
       Thanks to Piotr Sikora.

    *) Bugfix: in the ngx_http_xslt_filter_module.

    *) Bugfix: nginx could not be built on Debian GNU/Hurd.


Changes with nginx 1.1.17                                        15 Mar 2012

    *) Security: content of previously freed memory might be sent to a
       client if backend returned specially crafted response.
       Thanks to Matthew Daley.

    *) Bugfix: in the embedded perl module if used from SSI.
       Thanks to Matthew Daley.

    *) Bugfix: in the ngx_http_uwsgi_module.


Changes with nginx 1.1.16                                        29 Feb 2012

    *) Change: the simultaneous subrequest limit has been raised to 200.

    *) Feature: the "from" parameter of the "disable_symlinks" directive.

    *) Feature: the "return" and "error_page" directives can now be used to
       return 307 redirections.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "resolver" directive was used and there was no "error_log" directive
       specified at global level.
       Thanks to Roman Arutyunyan.

    *) Bugfix: a segmentation fault might occur in a worker process if the
       "proxy_http_version 1.1" or "fastcgi_keep_conn on" directives were
       used.

    *) Bugfix: memory leaks.
       Thanks to Lanshun Zhou.

    *) Bugfix: in the "disable_symlinks" directive.

    *) Bugfix: on ZFS filesystem disk cache size might be calculated
       incorrectly; the bug had appeared in 1.0.1.

    *) Bugfix: nginx could not be built by the icc 12.1 compiler.

    *) Bugfix: nginx could not be built by gcc on Solaris; the bug had
       appeared in 1.1.15.


Changes with nginx 1.1.15                                        15 Feb 2012

    *) Feature: the "disable_symlinks" directive.

    *) Feature: the "proxy_cookie_domain" and "proxy_cookie_path"
       directives.

    *) Bugfix: nginx might log incorrect error "upstream prematurely closed
       connection" instead of correct "upstream sent too big header" one.
       Thanks to Feibo Li.

    *) Bugfix: nginx could not be built with the ngx_http_perl_module if the
       --with-openssl option was used.

    *) Bugfix: the number of internal redirects to named locations was not
       limited.

    *) Bugfix: calling $r->flush() multiple times might cause errors in the
       ngx_http_gzip_filter_module.

    *) Bugfix: temporary files might be not removed if the "proxy_store"
       directive was used with SSI includes.

    *) Bugfix: in some cases non-cacheable variables (such as the $args
       variable) returned old empty cached value.

    *) Bugfix: a segmentation fault might occur in a worker process if too
       many SSI subrequests were issued simultaneously; the bug had appeared
       in 0.7.25.


Changes with nginx 1.1.14                                        30 Jan 2012

    *) Feature: multiple "limit_req" limits may be used simultaneously.

    *) Bugfix: in error handling while connecting to a backend.
       Thanks to Piotr Sikora.

    *) Bugfix: in AIO error handling on FreeBSD.

    *) Bugfix: in the OpenSSL library initialization.

    *) Bugfix: the "proxy_redirect" directives might be inherited
       incorrectly.

    *) Bugfix: memory leak during reconfiguration if the "pcre_jit"
       directive was used.


Changes with nginx 1.1.13                                        16 Jan 2012

    *) Feature: the "TLSv1.1" and "TLSv1.2" parameters of the
       "ssl_protocols" directive.

    *) Bugfix: the "limit_req" directive parameters were not inherited
       correctly; the bug had appeared in 1.1.12.

    *) Bugfix: the "proxy_redirect" directive incorrectly processed
       "Refresh" header if regular expression were used.

    *) Bugfix: the "proxy_cache_use_stale" directive with "error" parameter
       did not return answer from cache if there were no live upstreams.

    *) Bugfix: the "worker_cpu_affinity" directive might not work.

    *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
       1.1.12.

    *) Bugfix: in the ngx_http_mp4_module.


Changes with nginx 1.1.12                                        26 Dec 2011

    *) Change: a "proxy_pass" directive without URI part now uses changed
       URI after redirection with the "error_page" directive.
       Thanks to Lanshun Zhou.

    *) Feature: the "proxy/fastcgi/scgi/uwsgi_cache_lock",
       "proxy/fastcgi/scgi/uwsgi_cache_lock_timeout" directives.

    *) Feature: the "pcre_jit" directive.

    *) Feature: the "if" SSI command supports captures in regular
       expressions.

    *) Bugfix: the "if" SSI command did not work inside the "block" command.

    *) Bugfix: the "limit_conn_log_level" and "limit_req_log_level"
       directives might not work.

    *) Bugfix: the "limit_rate" directive did not allow to use full
       throughput, even if limit value was very high.

    *) Bugfix: the "sendfile_max_chunk" directive did not work, if the
       "limit_rate" directive was used.

    *) Bugfix: a "proxy_pass" directive without URI part always used
       original request URI if variables were used.

    *) Bugfix: a "proxy_pass" directive without URI part might use original
       request after redirection with the "try_files" directive.
       Thanks to Lanshun Zhou.

    *) Bugfix: in the ngx_http_scgi_module.

    *) Bugfix: in the ngx_http_mp4_module.

    *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
       1.1.9.


Changes with nginx 1.1.11                                        12 Dec 2011

    *) Feature: the "so_keepalive" parameter of the "listen" directive.
       Thanks to Vsevolod Stakhov.

    *) Feature: the "if_not_empty" parameter of the
       "fastcgi/scgi/uwsgi_param" directives.

    *) Feature: the $https variable.

    *) Feature: the "proxy_redirect" directive supports variables in the
       first parameter.

    *) Feature: the "proxy_redirect" directive supports regular expressions.

    *) Bugfix: the $sent_http_cache_control variable might contain a wrong
       value if the "expires" directive was used.
       Thanks to Yichun Zhang.

    *) Bugfix: the "read_ahead" directive might not work combined with
       "try_files" and "open_file_cache".

    *) Bugfix: a segmentation fault might occur in a worker process if small
       time was used in the "inactive" parameter of the "proxy_cache_path"
       directive.

    *) Bugfix: responses from cache might hang.


Changes with nginx 1.1.10                                        30 Nov 2011

    *) Bugfix: a segmentation fault occured in a worker process if AIO was
       used on Linux; the bug had appeared in 1.1.9.


Changes with nginx 1.1.9                                         28 Nov 2011

    *) Change: now double quotes are encoded in an "echo" SSI-command
       output.
       Thanks to Zaur Abasmirzoev.

    *) Feature: the "valid" parameter of the "resolver" directive. By
       default TTL returned by a DNS server is used.
       Thanks to Kirill A. Korinskiy.

    *) Bugfix: nginx might hang after a worker process abnormal termination.

    *) Bugfix: a segmentation fault might occur in a worker process if SNI
       was used; the bug had appeared in 1.1.2.

    *) Bugfix: in the "keepalive_disable" directive; the bug had appeared in
       1.1.8.
       Thanks to Alexander Usov.

    *) Bugfix: SIGWINCH signal did not work after first binary upgrade; the
       bug had appeared in 1.1.1.

    *) Bugfix: backend responses with length not matching "Content-Length"
       header line are no longer cached.

    *) Bugfix: in the "scgi_param" directive, if complex parameters were
       used.

    *) Bugfix: in the "epoll" event method.
       Thanks to Yichun Zhang.

    *) Bugfix: in the ngx_http_flv_module.
       Thanks to Piotr Sikora.

    *) Bugfix: in the ngx_http_mp4_module.

    *) Bugfix: IPv6 addresses are now handled properly in a request line and
       in a "Host" request header line.

    *) Bugfix: "add_header" and "expires" directives did not work if a
       request was proxied and response status code was 206.

    *) Bugfix: nginx could not be built on FreeBSD 10.

    *) Bugfix: nginx could not be built on AIX.


Changes with nginx 1.1.8                                         14 Nov 2011

    *) Change: the ngx_http_limit_zone_module was renamed to the
       ngx_http_limit_conn_module.

    *) Change: the "limit_zone" directive was superseded by the
       "limit_conn_zone" directive with a new syntax.

    *) Feature: support for multiple "limit_conn" limits on the same level.

    *) Feature: the "image_filter_sharpen" directive.

    *) Bugfix: a segmentation fault might occur in a worker process if
       resolver got a big DNS response.
       Thanks to Ben Hawkes.

    *) Bugfix: in cache key calculation if internal MD5 implementation was
       used; the bug had appeared in 1.0.4.

    *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request
       header lines might be passed to backend while caching; or not passed
       without caching if caching was enabled in another part of the
       configuration.

    *) Bugfix: the module ngx_http_mp4_module sent incorrect
       "Content-Length" response header line if the "start" argument was
       used.
       Thanks to Piotr Sikora.


Changes with nginx 1.1.7                                         31 Oct 2011

    *) Feature: support of several DNS servers in the "resolver" directive.
       Thanks to Kirill A. Korinskiy.

    *) Bugfix: a segmentation fault occurred on start or during
       reconfiguration if the "ssl" directive was used at http level and
       there was no "ssl_certificate" defined.

    *) Bugfix: reduced memory consumption while proxying big files if they
       were buffered to disk.

    *) Bugfix: a segmentation fault might occur in a worker process if
       "proxy_http_version 1.1" directive was used.

    *) Bugfix: in the "expires @time" directive.


Changes with nginx 1.1.6                                         17 Oct 2011

    *) Change in internal API: now module context data are cleared while
       internal redirect to named location.
       Requested by Yichun Zhang.

    *) Change: if a server in an upstream failed, only one request will be
       sent to it after fail_timeout; the server will be considered alive if
       it will successfully respond to the request.

    *) Change: now the 0x7F-0x1F characters are escaped as \xXX in an
       access_log.

    *) Feature: "proxy/fastcgi/scgi/uwsgi_ignore_headers" directives support
       the following additional values: X-Accel-Limit-Rate,
       X-Accel-Buffering, X-Accel-Charset.

    *) Feature: decrease of memory consumption if SSL is used.

    *) Bugfix: some UTF-8 characters were processed incorrectly.
       Thanks to Alexey Kuts.

    *) Bugfix: the ngx_http_rewrite_module directives specified at "server"
       level were executed twice if no matching locations were defined.

    *) Bugfix: a socket leak might occurred if "aio sendfile" was used.

    *) Bugfix: connections with fast clients might be closed after
       send_timeout if file AIO was used.

    *) Bugfix: in the ngx_http_autoindex_module.

    *) Bugfix: the module ngx_http_mp4_module did not support seeking on
       32-bit platforms.


Changes with nginx 1.1.5                                         05 Oct 2011

    *) Feature: the "uwsgi_buffering" and "scgi_buffering" directives.
       Thanks to Peter Smit.

    *) Bugfix: non-cacheable responses might be cached if
       "proxy_cache_bypass" directive was used.
       Thanks to John Ferlito.

    *) Bugfix: in HTTP/1.1 support in the ngx_http_proxy_module.

    *) Bugfix: cached responses with an empty body were returned
       incorrectly; the bug had appeared in 0.8.31.

    *) Bugfix: 201 responses of the ngx_http_dav_module were incorrect; the
       bug had appeared in 0.8.32.

    *) Bugfix: in the "return" directive.

    *) Bugfix: the "ssl_session_cache builtin" directive caused segmentation
       fault; the bug had appeared in 1.1.1.


Changes with nginx 1.1.4                                         20 Sep 2011

    *) Feature: the ngx_http_upstream_keepalive module.

    *) Feature: the "proxy_http_version" directive.

    *) Feature: the "fastcgi_keep_conn" directive.

    *) Feature: the "worker_aio_requests" directive.

    *) Bugfix: if nginx was built --with-file-aio it could not be run on
       Linux kernel which did not support AIO.

    *) Bugfix: in Linux AIO error processing.
       Thanks to Hagai Avrahami.

    *) Bugfix: reduced memory consumption for long-lived requests.

    *) Bugfix: the module ngx_http_mp4_module did not support 64-bit MP4
       "co64" atom.


Changes with nginx 1.1.3                                         14 Sep 2011

    *) Feature: the module ngx_http_mp4_module.

    *) Bugfix: in Linux AIO combined with open_file_cache.

    *) Bugfix: open_file_cache did not update file info on retest if file
       was not atomically changed.

    *) Bugfix: nginx could not be built on MacOSX 10.7.


Changes with nginx 1.1.2                                         05 Sep 2011

    *) Change: now if total size of all ranges is greater than source
       response size, then nginx disables ranges and returns just the source
       response.

    *) Feature: the "max_ranges" directive.

    *) Bugfix: the "ssl_verify_client", "ssl_verify_depth", and
       "ssl_prefer_server_ciphers" directives might work incorrectly if SNI
       was used.

    *) Bugfix: in the "proxy/fastcgi/scgi/uwsgi_ignore_client_abort"
       directives.


Changes with nginx 1.1.1                                         22 Aug 2011

    *) Change: now cache loader processes either as many files as specified
       by "loader_files" parameter or works no longer than time specified by
       the "loader_threshold" parameter during each iteration.

    *) Change: now SIGWINCH signal works only in daemon mode.

    *) Feature: now shared zones and caches use POSIX semaphores on Solaris.
       Thanks to Den Ivanov.

    *) Feature: accept filters are now supported on NetBSD.

    *) Bugfix: nginx could not be built on Linux 3.0.

    *) Bugfix: nginx did not use gzipping in some cases; the bug had
       appeared in 1.1.0.

    *) Bugfix: request body might be processed incorrectly if client used
       pipelining.

    *) Bugfix: in the "request_body_in_single_buf" directive.

    *) Bugfix: in "proxy_set_body" and "proxy_pass_request_body" directives
       if SSL connection to backend was used.

    *) Bugfix: nginx hogged CPU if all servers in an upstream were marked as
       "down".

    *) Bugfix: a segmentation fault might occur during reconfiguration if
       ssl_session_cache was defined but not used in previous configuration.

    *) Bugfix: a segmentation fault might occur in a worker process if many
       backup servers were used in an upstream.

    *) Bugfix: a segmentation fault might occur in a worker process if
       "fastcgi/scgi/uwsgi_param" directives were used with values starting
       with "HTTP_"; the bug had appeared in 0.8.40.


Changes with nginx 1.1.0                                         01 Aug 2011

    *) Feature: cache loader run time decrease.

    *) Feature: "loader_files", "loader_sleep", and "loader_threshold"
       options of the "proxy/fastcgi/scgi/uwsgi_cache_path" directives.

    *) Feature: loading time decrease of configuration with large number of
       HTTPS sites.

    *) Feature: now nginx supports ECDHE key exchange ciphers.
       Thanks to Adrian Kotelba.

    *) Feature: the "lingering_close" directive.
       Thanks to Maxim Dounin.

    *) Bugfix: in closing connection for pipelined requests.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx did not disable gzipping if client sent "gzip;q=0" in
       "Accept-Encoding" request header line.

    *) Bugfix: in timeout in unbuffered proxied mode.
       Thanks to Maxim Dounin.

    *) Bugfix: memory leaks when a "proxy_pass" directive contains variables
       and proxies to an HTTPS backend.
       Thanks to Maxim Dounin.

    *) Bugfix: in parameter validaiton of a "proxy_pass" directive with
       variables.
       Thanks to Lanshun Zhou.

    *) Bugfix: SSL did not work on QNX.
       Thanks to Maxim Dounin.

    *) Bugfix: SSL modules could not be built by gcc 4.6 without
       --with-debug option.


Changes with nginx 1.0.5                                         19 Jul 2011

    *) Change: now default SSL ciphers are "HIGH:!aNULL:!MD5".
       Thanks to Rob Stradling.

    *) Feature: the "referer_hash_max_size" and "referer_hash_bucket_size"
       directives.
       Thanks to Witold Filipczyk.

    *) Feature: $uid_reset variable.

    *) Bugfix: a segmentation fault might occur in a worker process, if a
       caching was used.
       Thanks to Lanshun Zhou.

    *) Bugfix: worker processes may got caught in an endless loop during
       reconfiguration, if a caching was used; the bug had appeared in
       0.8.48.
       Thanks to Maxim Dounin.

    *) Bugfix: "stalled cache updating" alert.
       Thanks to Maxim Dounin.


Changes with nginx 1.0.4                                         01 Jun 2011

    *) Change: now regular expressions case sensitivity in the "map"
       directive is given by prefixes "~" or "~*".

    *) Feature: now shared zones and caches use POSIX semaphores on Linux.
       Thanks to Denis F. Latypoff.

    *) Bugfix: "stalled cache updating" alert.

    *) Bugfix: nginx could not be built --without-http_auth_basic_module;
       the bug had appeared in 1.0.3.


Changes with nginx 1.0.3                                         25 May 2011

    *) Feature: the "auth_basic_user_file" directive supports "$apr1",
       "{PLAIN}", and "{SSHA}" password encryption methods.
       Thanks to Maxim Dounin.

    *) Feature: the "geoip_org" directive and $geoip_org variable.
       Thanks to Alexander Uskov, Arnaud Granal, and Denis F. Latypoff.

    *) Feature: ngx_http_geo_module and ngx_http_geoip_module support IPv4
       addresses mapped to IPv6 addresses.

    *) Bugfix: a segmentation fault occurred in a worker process during
       testing IPv4 address mapped to IPv6 address, if access or deny rules
       were defined only for IPv6; the bug had appeared in 0.8.22.

    *) Bugfix: a cached response may be broken if "proxy/fastcgi/scgi/
       uwsgi_cache_bypass" and "proxy/fastcgi/scgi/uwsgi_no_cache" directive
       values were different; the bug had appeared in 0.8.46.


Changes with nginx 1.0.2                                         10 May 2011

    *) Feature: now shared zones and caches use POSIX semaphores.

    *) Bugfix: in the "rotate" parameter of the "image_filter" directive.
       Thanks to Adam Bocim.

    *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
       1.0.1.


Changes with nginx 1.0.1                                         03 May 2011

    *) Change: now the "split_clients" directive uses MurmurHash2 algorithm
       because of better distribution.
       Thanks to Oleg Mamontov.

    *) Change: now long strings starting with zero are not considered as
       false values.
       Thanks to Maxim Dounin.

    *) Change: now nginx uses a default listen backlog value 511 on Linux.

    *) Feature: the $upstream_... variables may be used in the SSI and perl
       modules.

    *) Bugfix: now nginx limits better disk cache size.
       Thanks to Oleg Mamontov.

    *) Bugfix: a segmentation fault might occur while parsing incorrect IPv4
       address; the bug had appeared in 0.9.3.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built by gcc 4.6 without --with-debug
       option.

    *) Bugfix: nginx could not be built on Solaris 9 and earlier; the bug
       had appeared in 0.9.3.
       Thanks to Dagobert Michelsen.

    *) Bugfix: $request_time variable had invalid values if subrequests were
       used; the bug had appeared in 0.8.47.
       Thanks to Igor A. Valcov.


Changes with nginx 1.0.0                                         12 Apr 2011

    *) Bugfix: a cache manager might hog CPU after reload.
       Thanks to Maxim Dounin.

    *) Bugfix: an "image_filter crop" directive worked incorrectly coupled
       with an "image_filter rotate 180" directive.

    *) Bugfix: a "satisfy any" directive disabled custom 401 error page.


Changes with nginx 0.9.7                                         04 Apr 2011

    *) Feature: now keepalive connections may be closed premature, if there
       are no free worker connections.
       Thanks to Maxim Dounin.

    *) Feature: the "rotate" parameter of the "image_filter" directive.
       Thanks to Adam Bocim.

    *) Bugfix: a case when a backend in "fastcgi_pass", "scgi_pass", or
       "uwsgi_pass" directives is given by expression and refers to a
       defined upstream.


Changes with nginx 0.9.6                                         21 Mar 2011

    *) Feature: the "map" directive supports regular expressions as value of
       the first parameter.

    *) Feature: $time_iso8601 access_log variable.
       Thanks to Michael Lustfield.


Changes with nginx 0.9.5                                         21 Feb 2011

    *) Change: now nginx uses a default listen backlog value -1 on Linux.
       Thanks to Andrei Nigmatulin.

    *) Feature: the "utf8" parameter of "geoip_country" and "geoip_city"
       directives.
       Thanks to Denis F. Latypoff.

    *) Bugfix: in a default "proxy_redirect" directive if "proxy_pass"
       directive has no URI part.
       Thanks to Maxim Dounin.

    *) Bugfix: an "error_page" directive did not work with nonstandard error
       codes; the bug had appeared in 0.8.53.
       Thanks to Maxim Dounin.


Changes with nginx 0.9.4                                         21 Jan 2011

    *) Feature: the "server_name" directive supports the $hostname variable.

    *) Feature: 494 code for "Request Header Too Large" error.


Changes with nginx 0.9.3                                         13 Dec 2010

    *) Bugfix: if there was a single server for given IPv6 address:port
       pair, then captures in regular expressions in a "server_name"
       directive did not work.

    *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
       0.9.0.


Changes with nginx 0.9.2                                         06 Dec 2010

    *) Feature: the "If-Unmodified-Since" client request header line
       support.

    *) Workaround: fallback to accept() syscall if accept4() was not
       implemented; the issue had appeared in 0.9.0.

    *) Bugfix: nginx could not be built on Cygwin; the bug had appeared in
       0.9.0.

    *) Bugfix: for OpenSSL vulnerability CVE-2010-4180.
       Thanks to Maxim Dounin.


Changes with nginx 0.9.1                                         30 Nov 2010

    *) Bugfix: "return CODE message" directives did not work; the bug had
       appeared in 0.9.0.


Changes with nginx 0.9.0                                         29 Nov 2010

    *) Feature: the "keepalive_disable" directive.

    *) Feature: the "map" directive supports variables as value of a defined
       variable.

    *) Feature: the "map" directive supports empty strings as value of the
       first parameter.

    *) Feature: the "map" directive supports expressions as the first
       parameter.

    *) Feature: nginx(8) manual page.
       Thanks to Sergey Osokin.

    *) Feature: Linux accept4() support.
       Thanks to Simon Liu.

    *) Workaround: elimination of Linux linker warning about "sys_errlist"
       and "sys_nerr"; the warning had appeared in 0.8.35.

    *) Bugfix: a segmentation fault might occur in a worker process, if the
       "auth_basic" directive was used.
       Thanks to Michail Laletin.

    *) Bugfix: compatibility with ngx_http_eval_module; the bug had appeared
       in 0.8.42.


Changes with nginx 0.8.53                                        18 Oct 2010

    *) Feature: now the "error_page" directive allows to change a status
       code in a redirect.

    *) Feature: the "gzip_disable" directive supports special "degradation"
       mask.

    *) Bugfix: a socket leak might occurred if file AIO was used.
       Thanks to Maxim Dounin.

    *) Bugfix: if the first server had no "listen" directive and there was
       no explicit default server, then a next server with a "listen"
       directive became the default server; the bug had appeared in 0.8.21.


Changes with nginx 0.8.52                                        28 Sep 2010

    *) Bugfix: nginx used SSL mode for a listen socket if any listen option
       was set; the bug had appeared in 0.8.51.


Changes with nginx 0.8.51                                        27 Sep 2010

    *) Change: the "secure_link_expires" directive has been canceled.

    *) Change: a logging level of resolver errors has been lowered from
       "alert" to "error".

    *) Feature: now a listen socket "ssl" parameter may be set several
       times.


Changes with nginx 0.8.50                                        02 Sep 2010

    *) Feature: the "secure_link", "secure_link_md5", and
       "secure_link_expires" directives of the ngx_http_secure_link_module.

    *) Feature: the -q switch.
       Thanks to Gena Makhomed.

    *) Bugfix: worker processes may got caught in an endless loop during
       reconfiguration, if a caching was used; the bug had appeared in
       0.8.48.

    *) Bugfix: in the "gzip_disable" directive.
       Thanks to Derrick Petzold.

    *) Bugfix: nginx/Windows could not send stop, quit, reopen, and reload
       signals to a process run in other session.


Changes with nginx 0.8.49                                        09 Aug 2010

    *) Feature: the "image_filter_jpeg_quality" directive supports
       variables.

    *) Bugfix: a segmentation fault might occur in a worker process, if the
       $geoip_region_name variables was used; the bug had appeared in
       0.8.48.

    *) Bugfix: errors intercepted by error_page were cached only for next
       request; the bug had appeared in 0.8.48.


Changes with nginx 0.8.48                                        03 Aug 2010

    *) Change: now the "server_name" directive default value is an empty
       name "".
       Thanks to Gena Makhomed.

    *) Change: now the "server_name_in_redirect" directive default value is
       "off".

    *) Feature: the $geoip_dma_code, $geoip_area_code, and
       $geoip_region_name variables.
       Thanks to Christine McGonagle.

    *) Bugfix: the "proxy_pass", "fastcgi_pass", "uwsgi_pass", and
       "scgi_pass" directives were not inherited inside "limit_except"
       blocks.

    *) Bugfix: the "proxy_cache_min_uses", "fastcgi_cache_min_uses"
       "uwsgi_cache_min_uses", and "scgi_cache_min_uses" directives did not
       work; the bug had appeared in 0.8.46.

    *) Bugfix: the "fastcgi_split_path_info" directive used incorrectly
       captures, if only parts of an URI were captured.
       Thanks to Yuriy Taraday and Frank Enderle.

    *) Bugfix: the "rewrite" directive did not escape a ";" character during
       copying from URI to query string.
       Thanks to Daisuke Murase.

    *) Bugfix: the ngx_http_image_filter_module closed a connection, if an
       image was larger than "image_filter_buffer" size.


Changes with nginx 0.8.47                                        28 Jul 2010

    *) Bugfix: $request_time variable had invalid values for subrequests.

    *) Bugfix: errors intercepted by error_page could not be cached.

    *) Bugfix: a cache manager process may got caught in an endless loop, if
       max_size parameter was used; the bug had appeared in 0.8.46.


Changes with nginx 0.8.46                                        19 Jul 2010

    *) Change: now the "proxy_no_cache", "fastcgi_no_cache",
       "uwsgi_no_cache", and "scgi_no_cache" directives affect on a cached
       response saving only.

    *) Feature: the "proxy_cache_bypass", "fastcgi_cache_bypass",
       "uwsgi_cache_bypass", and "scgi_cache_bypass" directives.

    *) Bugfix: nginx did not free memory in cache keys zones if there was an
       error during working with backend: the memory was freed only after
       inactivity time or on memory low condition.


Changes with nginx 0.8.45                                        13 Jul 2010

    *) Feature: ngx_http_xslt_filter improvements.
       Thanks to Laurence Rowe.

    *) Bugfix: SSI response might be truncated after include with
       wait="yes"; the bug had appeared in 0.7.25.
       Thanks to Maxim Dounin.

    *) Bugfix: the "listen" directive did not support the "setfib=0"
       parameter.


Changes with nginx 0.8.44                                        05 Jul 2010

    *) Change: now nginx does not cache by default backend responses, if
       they have a "Set-Cookie" header line.

    *) Feature: the "listen" directive supports the "setfib" parameter.
       Thanks to Andrew Filonov.

    *) Bugfix: the "sub_filter" directive might change character case on
       partial match.

    *) Bugfix: compatibility with HP/UX.

    *) Bugfix: compatibility with AIX xlC_r compiler.

    *) Bugfix: nginx treated large SSLv2 packets as plain requests.
       Thanks to Miroslaw Jaworski.


Changes with nginx 0.8.43                                        30 Jun 2010

    *) Feature: large geo ranges base loading speed-up.

    *) Bugfix: an error_page redirection to "location /zero {return 204;}"
       without changing status code kept the error body; the bug had
       appeared in 0.8.42.

    *) Bugfix: nginx might close IPv6 listen socket during reconfiguration.
       Thanks to Maxim Dounin.

    *) Bugfix: the $uid_set variable may be used at any request processing
       stage.


Changes with nginx 0.8.42                                        21 Jun 2010

    *) Change: now nginx tests locations given by regular expressions, if
       request was matched exactly by a location given by a prefix string.
       The previous behavior has been introduced in 0.7.1.

    *) Feature: the ngx_http_scgi_module.
       Thanks to Manlio Perillo.

    *) Feature: a text answer may be added to a "return" directive.


Changes with nginx 0.8.41                                        15 Jun 2010

    *) Security: nginx/Windows worker might be terminated abnormally if a
       requested file name has invalid UTF-8 encoding.

    *) Change: now nginx allows to use spaces in a request line.

    *) Bugfix: the "proxy_redirect" directive changed incorrectly a backend
       "Refresh" response header line.
       Thanks to Andrey Andreew and Max Sogin.

    *) Bugfix: nginx did not support path without host name in "Destination"
       request header line.


Changes with nginx 0.8.40                                        07 Jun 2010

    *) Security: now nginx/Windows ignores default file stream name.
       Thanks to Jose Antonio Vazquez Gonzalez.

    *) Feature: the ngx_http_uwsgi_module.
       Thanks to Roberto De Ioris.

    *) Feature: a "fastcgi_param" directive with value starting with "HTTP_"
       overrides a client request header line.

    *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request
       header lines were passed to FastCGI-server while caching.

    *) Bugfix: listen unix domain socket could not be changed during
       reconfiguration.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.39                                        31 May 2010

    *) Bugfix: an inherited "alias" directive worked incorrectly in
       inclusive location.

    *) Bugfix: in "alias" with variables and "try_files" directives
       combination.

    *) Bugfix: listen unix domain and IPv6 sockets did not inherit while
       online upgrade.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.38                                        24 May 2010

    *) Feature: the "proxy_no_cache" and "fastcgi_no_cache" directives.

    *) Feature: now the "rewrite" directive does a redirect automatically if
       the $scheme variable is used.
       Thanks to Piotr Sikora.

    *) Bugfix: now "limit_req" delay directive conforms to the described
       algorithm.
       Thanks to Maxim Dounin.

    *) Bugfix: the $uid_got variable might not be used in the SSI and perl
       modules.


Changes with nginx 0.8.37                                        17 May 2010

    *) Feature: the ngx_http_split_clients_module.

    *) Feature: the "map" directive supports keys more than 255 characters.

    *) Bugfix: nginx ignored the "private" and "no-store" values in the
       "Cache-Control" backend response header line.

    *) Bugfix: a "stub" parameter of an "include" SSI directive was not
       used, if empty response has 200 status code.

    *) Bugfix: if a proxied or FastCGI request was internally redirected to
       another proxied or FastCGI location, then a segmentation fault might
       occur in a worker process; the bug had appeared in 0.8.33.
       Thanks to Yichun Zhang.

    *) Bugfix: IMAP connections may hang until they timed out while talking
       to Zimbra server.
       Thanks to Alan Batie.


Changes with nginx 0.8.36                                        22 Apr 2010

    *) Bugfix: the ngx_http_dav_module handled incorrectly the DELETE, COPY,
       and MOVE methods for symlinks.

    *) Bugfix: values of the $query_string, $arg_..., etc. variables cached
       in main request were used by the SSI module in subrequests.

    *) Bugfix: a variable value was repeatedly encoded after each an "echo"
       SSI-command output; the bug had appeared in 0.6.14.

    *) Bugfix: a worker process hung if a FIFO file was requested.
       Thanks to Vicente Aguilar and Maxim Dounin.

    *) Bugfix: OpenSSL-1.0.0 compatibility on 64-bit Linux.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built --without-http-cache; the bug had
       appeared in 0.8.35.


Changes with nginx 0.8.35                                        01 Apr 2010

    *) Change: now the charset filter runs before the SSI filter.

    *) Feature: the "chunked_transfer_encoding" directive.

    *) Bugfix: an "&" character was not escaped when it was copied in
       arguments part in a rewrite rule.

    *) Bugfix: nginx might be terminated abnormally while a signal
       processing or if the directive "timer_resolution" was used on
       platforms which do not support kqueue or eventport notification
       methods.
       Thanks to George Xie and Maxim Dounin.

    *) Bugfix: if temporary files and permanent storage area resided at
       different file systems, then permanent file modification times were
       incorrect.
       Thanks to Maxim Dounin.

    *) Bugfix: ngx_http_memcached_module might issue the error message
       "memcached sent invalid trailer".
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not built zlib-1.2.4 library using the library
       sources.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault occurred in a worker process, if there
       was large stderr output before FastCGI response; the bug had appeared
       in 0.8.34.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.34                                        03 Mar 2010

    *) Bugfix: nginx did not support all ciphers and digests used in client
       certificates.
       Thanks to Innocenty Enikeew.

    *) Bugfix: nginx cached incorrectly FastCGI responses if there was large
       stderr output before response.

    *) Bugfix: nginx did not support HTTPS referrers.

    *) Bugfix: nginx/Windows might not find file if path in configuration
       was given in other character case; the bug had appeared in 0.8.33.

    *) Bugfix: the $date_local variable has an incorrect value, if the "%s"
       format was used.
       Thanks to Maxim Dounin.

    *) Bugfix: if ssl_session_cache was not set or was set to "none", then
       during client certificate verify the error "session id context
       uninitialized" might occur; the bug had appeared in 0.7.1.

    *) Bugfix: a geo range returned default value if the range included two
       or more /16 networks and did not begin at /16 network boundary.

    *) Bugfix: a block used in a "stub" parameter of an "include" SSI
       directive was output with "text/plain" MIME type.

    *) Bugfix: $r->sleep() did not work; the bug had appeared in 0.8.11.


Changes with nginx 0.8.33                                        01 Feb 2010

    *) Security: now nginx/Windows ignores trailing spaces in URI.
       Thanks to Dan Crowley, Core Security Technologies.

    *) Security: now nginx/Windows ignores short files names.
       Thanks to Dan Crowley, Core Security Technologies.

    *) Change: now keepalive connections after POST requests are not
       disabled for MSIE 7.0+.
       Thanks to Adam Lounds.

    *) Workaround: now keepalive connections are disabled for Safari.
       Thanks to Joshua Sierles.

    *) Bugfix: if a proxied or FastCGI request was internally redirected to
       another proxied or FastCGI location, then $upstream_response_time
       variable may have abnormally large value; the bug had appeared in
       0.8.7.

    *) Bugfix: a segmentation fault might occur in a worker process, while
       discarding a request body; the bug had appeared in 0.8.11.


Changes with nginx 0.8.32                                        11 Jan 2010

    *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module.
       Thanks to Maxim Dounin.

    *) Bugfix: regular expression named captures worked for two names only.
       Thanks to Maxim Dounin.

    *) Bugfix: now the "localhost" name is used in the "Host" request header
       line, if an unix domain socket is defined in the "auth_http"
       directive.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx did not support chunked transfer encoding for 201
       responses.
       Thanks to Julian Reich.

    *) Bugfix: if the "expires modified" set date in the past, then a
       negative number was set in the "Cache-Control" response header line.
       Thanks to Alex Kapranoff.


Changes with nginx 0.8.31                                        23 Dec 2009

    *) Feature: now the "error_page" directive may redirect the 301 and 302
       responses.

    *) Feature: the $geoip_city_continent_code, $geoip_latitude, and
       $geoip_longitude variables.
       Thanks to Arvind Sundararajan.

    *) Feature: now the ngx_http_image_filter_module deletes always EXIF and
       other application specific data if the data consume more than 5% of a
       JPEG file.

    *) Bugfix: nginx closed a connection if a cached response had an empty
       body.
       Thanks to Piotr Sikora.

    *) Bugfix: nginx might not be built by gcc 4.x if the -O2 or higher
       optimization option was used.
       Thanks to Maxim Dounin and Denis F. Latypoff.

    *) Bugfix: regular expressions in location were always tested in
       case-sensitive mode; the bug had appeared in 0.8.25.

    *) Bugfix: nginx cached a 304 response if there was the "If-None-Match"
       header line in a proxied request.
       Thanks to Tim Dettrick and David Kostal.

    *) Bugfix: nginx/Windows tried to delete a temporary file twice if the
       file should replace an already existent file.


Changes with nginx 0.8.30                                        15 Dec 2009

    *) Change: now the default buffer size of the
       "large_client_header_buffers" directive is 8K.
       Thanks to Andrew Cholakian.

    *) Feature: the conf/fastcgi.conf for simple FastCGI configurations.

    *) Bugfix: nginx/Windows tried to rename a temporary file twice if the
       file should replace an already existent file.

    *) Bugfix: of "double free or corruption" error issued if host could not
       be resolved; the bug had appeared in 0.8.22.
       Thanks to Konstantin Svist.

    *) Bugfix: in libatomic usage on some platforms.
       Thanks to W-Mark Kubacki.


Changes with nginx 0.8.29                                        30 Nov 2009

    *) Change: now the "009" status code is written to an access log for
       proxied HTTP/0.9 responses.

    *) Feature: the "addition_types", "charset_types", "gzip_types",
       "ssi_types", "sub_filter_types", and "xslt_types" directives support
       an "*" parameter.

    *) Feature: GCC 4.1+ built-in atomic operations usage.
       Thanks to W-Mark Kubacki.

    *) Feature: the --with-libatomic[=DIR] option in the configure.
       Thanks to W-Mark Kubacki.

    *) Bugfix: listen unix domain socket had limited access rights.

    *) Bugfix: cached HTTP/0.9 responses were handled incorrectly.

    *) Bugfix: regular expression named captures given by "?P<...>" did not
       work in a "server_name" directive.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.28                                        23 Nov 2009

    *) Bugfix: nginx could not be built with the --without-pcre parameter;
       the bug had appeared in 0.8.25.


Changes with nginx 0.8.27                                        17 Nov 2009

    *) Bugfix: regular expressions did not work in nginx/Windows; the bug
       had appeared in 0.8.25.


Changes with nginx 0.8.26                                        16 Nov 2009

    *) Bugfix: in captures usage in "rewrite" directive; the bug had
       appeared in 0.8.25.

    *) Bugfix: nginx could not be built without the --with-debug option; the
       bug had appeared in 0.8.25.


Changes with nginx 0.8.25                                        16 Nov 2009

    *) Change: now no message is written in an error log if a variable is
       not found by $r->variable() method.

    *) Feature: the ngx_http_degradation_module.

    *) Feature: regular expression named captures.

    *) Feature: now URI part is not required a "proxy_pass" directive if
       variables are used.

    *) Feature: now the "msie_padding" directive works for Chrome too.

    *) Bugfix: a segmentation fault occurred in a worker process on low
       memory condition; the bug had appeared in 0.8.18.

    *) Bugfix: nginx sent gzipped responses to clients those do not support
       gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared
       in 0.8.16.


Changes with nginx 0.8.24                                        11 Nov 2009

    *) Bugfix: nginx always added "Content-Encoding: gzip" response header
       line in 304 responses sent by ngx_http_gzip_static_module.

    *) Bugfix: nginx could not be built without the --with-debug option; the
       bug had appeared in 0.8.23.

    *) Bugfix: the "unix:" parameter of the "set_real_ip_from" directive
       inherited incorrectly from previous level.

    *) Bugfix: in resolving empty name.


Changes with nginx 0.8.23                                        11 Nov 2009

    *) Security: now SSL/TLS renegotiation is disabled.
       Thanks to Maxim Dounin.

    *) Bugfix: listen unix domain socket did not inherit while online
       upgrade.

    *) Bugfix: the "unix:" parameter of the "set_real_ip_from" directive did
       not without yet another directive with any IP address.

    *) Bugfix: segmentation fault and infinite looping in resolver.

    *) Bugfix: in resolver.
       Thanks to Artem Bokhan.


Changes with nginx 0.8.22                                        03 Nov 2009

    *) Feature: the "proxy_bind", "fastcgi_bind", and "memcached_bind"
       directives.

    *) Feature: the "access" and the "deny" directives support IPv6.

    *) Feature: the "set_real_ip_from" directive supports IPv6 addresses in
       request headers.

    *) Feature: the "unix:" parameter of the "set_real_ip_from" directive.

    *) Bugfix: nginx did not delete unix domain socket after configuration
       testing.

    *) Bugfix: nginx deleted unix domain socket while online upgrade.

    *) Bugfix: the "!-x" operator did not work.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault might occur in a worker process, if
       limit_rate was used in HTTPS server.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault might occur in a worker process while
       $limit_rate logging.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault might occur in a worker process, if
       there was no "listen" directive in "server" block; the bug had
       appeared in 0.8.21.


Changes with nginx 0.8.21                                        26 Oct 2009

    *) Feature: now the "-V" switch shows TLS SNI support.

    *) Feature: the "listen" directive of the HTTP module supports unix
       domain sockets.
       Thanks to Hongli Lai.

    *) Feature: the "default_server" parameter of the "listen" directive.

    *) Feature: now a "default" parameter is not required to set listen
       socket options.

    *) Bugfix: nginx did not support dates in 2038 year on 32-bit platforms;

    *) Bugfix: socket leak; the bug had appeared in 0.8.11.


Changes with nginx 0.8.20                                        14 Oct 2009

    *) Change: now default SSL ciphers are "HIGH:!ADH:!MD5".

    *) Bugfix: the ngx_http_autoindex_module did not show the trailing slash
       in links to a directory; the bug had appeared in 0.7.15.

    *) Bugfix: nginx did not close a log file set by the --error-log-path
       configuration option; the bug had appeared in 0.7.53.

    *) Bugfix: nginx did not treat a comma as separator in the
       "Cache-Control" backend response header line.

    *) Bugfix: nginx/Windows might not create temporary file, a cache file,
       or "proxy/fastcgi_store"d file if a worker had no enough access
       rights for top level directories.

    *) Bugfix: the "Set-Cookie" and "P3P" FastCGI response header lines were
       not hidden while caching if no "fastcgi_hide_header" directives were
       used with any parameters.

    *) Bugfix: nginx counted incorrectly disk cache size.


Changes with nginx 0.8.19                                        06 Oct 2009

    *) Change: now SSLv2 protocol is disabled by default.

    *) Change: now default SSL ciphers are "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM".

    *) Bugfix: a "limit_req" directive did not work; the bug had appeared in
       0.8.18.


Changes with nginx 0.8.18                                        06 Oct 2009

    *) Feature: the "read_ahead" directive.

    *) Feature: now several "perl_modules" directives may be used.

    *) Feature: the "limit_req_log_level" and "limit_conn_log_level"
       directives.

    *) Bugfix: now "limit_req" directive conforms to the leaky bucket
       algorithm.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx did not work on Linux/sparc.
       Thanks to Marcus Ramberg.

    *) Bugfix: nginx sent '\0' in a "Location" response header line on MKCOL
       request.
       Thanks to Xie Zhenye.

    *) Bugfix: zero status code was logged instead of 499 status code; the
       bug had appeared in 0.8.11.

    *) Bugfix: socket leak; the bug had appeared in 0.8.11.


Changes with nginx 0.8.17                                        28 Sep 2009

    *) Security: now "/../" are disabled in "Destination" request header
       line.

    *) Change: now $host variable value is always low case.

    *) Feature: the $ssl_session_id variable.

    *) Bugfix: socket leak; the bug had appeared in 0.8.11.


Changes with nginx 0.8.16                                        22 Sep 2009

    *) Feature: the "image_filter_transparency" directive.

    *) Bugfix: "addition_types" directive was incorrectly named
       "addtion_types".

    *) Bugfix: resolver cache poisoning.
       Thanks to Matthew Dempsky.

    *) Bugfix: memory leak in resolver.
       Thanks to Matthew Dempsky.

    *) Bugfix: invalid request line in $request variable was written in
       access_log only if error_log was set to "info" or "debug" level.

    *) Bugfix: in PNG alpha-channel support in the
       ngx_http_image_filter_module.

    *) Bugfix: nginx always added "Vary: Accept-Encoding" response header
       line, if both "gzip_static" and "gzip_vary" were on.

    *) Bugfix: in UTF-8 encoding support by "try_files" directive in
       nginx/Windows.

    *) Bugfix: in "post_action" directive usage; the bug had appeared in
       0.8.11.
       Thanks to Igor Artemiev.


Changes with nginx 0.8.15                                        14 Sep 2009

    *) Security: a segmentation fault might occur in worker process while
       specially crafted request handling.
       Thanks to Chris Ries.

    *) Bugfix: if names .domain.tld, .sub.domain.tld, and .domain-some.tld
       were defined, then the name .sub.domain.tld was matched by
       .domain.tld.

    *) Bugfix: in transparency support in the ngx_http_image_filter_module.

    *) Bugfix: in file AIO.

    *) Bugfix: in X-Accel-Redirect usage; the bug had appeared in 0.8.11.

    *) Bugfix: in embedded perl module; the bug had appeared in 0.8.11.


Changes with nginx 0.8.14                                        07 Sep 2009

    *) Bugfix: an expired cached response might stick in the "UPDATING"
       state.

    *) Bugfix: a segmentation fault might occur in worker process, if
       error_log was set to info or debug level.
       Thanks to Sergey Bochenkov.

    *) Bugfix: in embedded perl module; the bug had appeared in 0.8.11.

    *) Bugfix: an "error_page" directive did not redirect a 413 error; the
       bug had appeared in 0.6.10.


Changes with nginx 0.8.13                                        31 Aug 2009

    *) Bugfix: in the "aio sendfile" directive; the bug had appeared in
       0.8.12.

    *) Bugfix: nginx could not be built without the --with-file-aio option
       on FreeBSD; the bug had appeared in 0.8.12.


Changes with nginx 0.8.12                                        31 Aug 2009

    *) Feature: the "sendfile" parameter in the "aio" directive on FreeBSD.

    *) Bugfix: in try_files; the bug had appeared in 0.8.11.

    *) Bugfix: in memcached; the bug had appeared in 0.8.11.


Changes with nginx 0.8.11                                        28 Aug 2009

    *) Change: now directive "gzip_disable msie6" does not disable gzipping
       for MSIE 6.0 SV1.

    *) Feature: file AIO support on FreeBSD and Linux.

    *) Feature: the "directio_alignment" directive.


Changes with nginx 0.8.10                                        24 Aug 2009

    *) Bugfix: memory leaks if GeoIP City database was used.

    *) Bugfix: in copying temporary files to permanent storage area; the bug
       had appeared in 0.8.9.


Changes with nginx 0.8.9                                         17 Aug 2009

    *) Feature: now the start cache loader runs in a separate process; this
       should improve large caches handling.

    *) Feature: now temporary files and permanent storage area may reside at
       different file systems.


Changes with nginx 0.8.8                                         10 Aug 2009

    *) Bugfix: in handling FastCGI headers split in records.

    *) Bugfix: a segmentation fault occurred in worker process, if a request
       was handled in two proxied or FastCGIed locations and a caching was
       enabled in the first location; the bug had appeared in 0.8.7.


Changes with nginx 0.8.7                                         27 Jul 2009

    *) Change: minimum supported OpenSSL version is 0.9.7.

    *) Change: the "ask" parameter of the "ssl_verify_client" directive was
       changed to the "optional" parameter and now it checks a client
       certificate if it was offered.
       Thanks to Brice Figureau.

    *) Feature: the $ssl_client_verify variable.
       Thanks to Brice Figureau.

    *) Feature: the "ssl_crl" directive.
       Thanks to Brice Figureau.

    *) Feature: the "proxy" parameter of the "geo" directive.

    *) Feature: the "image_filter" directive supports variables for setting
       size.

    *) Bugfix: the $ssl_client_cert variable usage corrupted memory; the bug
       had appeared in 0.7.7.
       Thanks to Sergey Zhuravlev.

    *) Bugfix: "proxy_pass_header" and "fastcgi_pass_header" directives did
       not pass to a client the "X-Accel-Redirect", "X-Accel-Limit-Rate",
       "X-Accel-Buffering", and "X-Accel-Charset" lines from backend
       response header.
       Thanks to Maxim Dounin.

    *) Bugfix: in handling "Last-Modified" and "Accept-Ranges" backend
       response header lines; the bug had appeared in 0.7.44.
       Thanks to Maxim Dounin.

    *) Bugfix: the "[alert] zero size buf" error if subrequest returns an
       empty response; the bug had appeared in 0.8.5.


Changes with nginx 0.8.6                                         20 Jul 2009

    *) Feature: the ngx_http_geoip_module.

    *) Bugfix: XSLT filter may fail with message "not well formed XML
       document" for valid XML document.
       Thanks to Kuramoto Eiji.

    *) Bugfix: now in MacOSX, Cygwin, and nginx/Windows locations given by a
       regular expression are always tested in case insensitive mode.

    *) Bugfix: now nginx/Windows ignores trailing dots in URI.
       Thanks to Hugo Leisink.

    *) Bugfix: name of file specified in --conf-path was not honored during
       installation; the bug had appeared in 0.6.6.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.5                                         13 Jul 2009

    *) Bugfix: now nginx allows underscores in a request method.

    *) Bugfix: a 500 error code was returned for invalid login/password
       while HTTP Basic authentication on Windows.

    *) Bugfix: ngx_http_perl_module responses did not work in subrequests.

    *) Bugfix: in ngx_http_limit_req_module.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.4                                         22 Jun 2009

    *) Bugfix: nginx could not be built --without-http-cache; the bug had
       appeared in 0.8.3.


Changes with nginx 0.8.3                                         19 Jun 2009

    *) Feature: the $upstream_cache_status variable.

    *) Bugfix: nginx could not be built on MacOSX 10.6.

    *) Bugfix: nginx could not be built --without-http-cache; the bug had
       appeared in 0.8.2.

    *) Bugfix: a segmentation fault occurred in worker process, if a backend
       401 error was intercepted and the backend did not set the
       "WWW-Authenticate" response header line.
       Thanks to Eugene Mychlo.


Changes with nginx 0.8.2                                         15 Jun 2009

    *) Bugfix: in open_file_cache and proxy/fastcgi cache interaction on
       start up.

    *) Bugfix: open_file_cache might cache open file descriptors too long;
       the bug had appeared in 0.7.4.


Changes with nginx 0.8.1                                         08 Jun 2009

    *) Feature: the "updating" parameter in "proxy_cache_use_stale" and
       "fastcgi_cache_use_stale" directives.

    *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request
       header lines were passed to backend while caching if no
       "proxy_set_header" directive was used with any parameters.

    *) Bugfix: the "Set-Cookie" and "P3P" response header lines were not
       hidden while caching if no "proxy_hide_header/fastcgi_hide_header"
       directives were used with any parameters.

    *) Bugfix: the ngx_http_image_filter_module did not support GIF87a
       format.
       Thanks to Denis Ilyinyh.

    *) Bugfix: nginx could not be built modules on Solaris 10 and early; the
       bug had appeared in 0.7.56.


Changes with nginx 0.8.0                                         02 Jun 2009

    *) Feature: the "keepalive_requests" directive.

    *) Feature: the "limit_rate_after" directive.
       Thanks to Ivan Debnar.

    *) Bugfix: XLST filter did not work in subrequests.

    *) Bugfix: in relative paths handling in nginx/Windows.

    *) Bugfix: in proxy_store, fastcgi_store, proxy_cache, and fastcgi_cache
       in nginx/Windows.

    *) Bugfix: in memory allocation error handling.
       Thanks to Maxim Dounin and Kirill A. Korinskiy.


Changes with nginx 0.7.59                                        25 May 2009

    *) Feature: the "proxy_cache_methods" and "fastcgi_cache_methods"
       directives.

    *) Bugfix: socket leak; the bug had appeared in 0.7.25.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault occurred in worker process, if a request
       had no body and the $request_body variable was used;
       the bug had appeared in 0.7.58.

    *) Bugfix: the SSL modules might not built on Solaris and Linux;
       the bug had appeared in 0.7.56.

    *) Bugfix: ngx_http_xslt_filter_module responses were not handled by
       SSI, charset, and gzip filters.

    *) Bugfix: a "charset" directive did not set a charset to
       ngx_http_gzip_static_module responses.


Changes with nginx 0.7.58                                        18 May 2009

    *) Feature: a "listen" directive of the mail proxy module supports IPv6.

    *) Feature: the "image_filter_jpeg_quality" directive.

    *) Feature: the "client_body_in_single_buffer" directive.

    *) Feature: the $request_body variable.

    *) Bugfix: in ngx_http_autoindex_module in file name links having a ":"
       symbol in the name.

    *) Bugfix: "make upgrade" procedure did not work; the bug had appeared
       in 0.7.53.
       Thanks to Denis F. Latypoff.


Changes with nginx 0.7.57                                        12 May 2009

    *) Bugfix: a floating-point fault occurred in worker process, if the
       ngx_http_image_filter_module errors were redirected to named
       location; the bug had appeared in 0.7.56.


Changes with nginx 0.7.56                                        11 May 2009

    *) Feature: nginx/Windows supports IPv6 in a "listen" directive of the
       HTTP module.

    *) Bugfix: in ngx_http_image_filter_module.


Changes with nginx 0.7.55                                        06 May 2009

    *) Bugfix: the http_XXX parameters in "proxy_cache_use_stale" and
       "fastcgi_cache_use_stale" directives did not work.

    *) Bugfix: fastcgi cache did not cache header only responses.

    *) Bugfix: of "select() failed (9: Bad file descriptor)" error in
       nginx/Unix and "select() failed (10038: ...)" error in nginx/Windows.

    *) Bugfix: a segmentation fault might occur in worker process, if an
       "debug_connection" directive was used; the bug had appeared in
       0.7.54.

    *) Bugfix: fix ngx_http_image_filter_module building errors.

    *) Bugfix: the files bigger than 2G could not be transferred using
       $r->sendfile.
       Thanks to Maxim Dounin.


Changes with nginx 0.7.54                                        01 May 2009

    *) Feature: the ngx_http_image_filter_module.

    *) Feature: the "proxy_ignore_headers" and "fastcgi_ignore_headers"
       directives.

    *) Bugfix: a segmentation fault might occur in worker process, if an
       "open_file_cache_errors off" directive was used; the bug had appeared
       in 0.7.53.

    *) Bugfix: the "port_in_redirect off" directive did not work; the bug
       had appeared in 0.7.39.

    *) Bugfix: improve handling of "select" method errors.

    *) Bugfix: of "select() failed (10022: ...)" error in nginx/Windows.

    *) Bugfix: in error text descriptions in nginx/Windows; the bug had
       appeared in 0.7.53.


Changes with nginx 0.7.53                                        27 Apr 2009

    *) Change: now a log set by --error-log-path is created from the very
       start-up.

    *) Feature: now the start up errors and warnings are outputted to an
       error_log and stderr.

    *) Feature: the empty --prefix= configure parameter forces nginx to use
       a directory where it was run as prefix.

    *) Feature: the -p switch.

    *) Feature: the -s switch on Unix platforms.

    *) Feature: the -? and -h switches.
       Thanks to Jerome Loyet.

    *) Feature: now switches may be set in condensed form.

    *) Bugfix: nginx/Windows did not work if configuration file was given by
       the -c switch.

    *) Bugfix: temporary files might be not removed if the "proxy_store",
       "fastcgi_store", "proxy_cache", or "fastcgi_cache" were used.
       Thanks to Maxim Dounin.

    *) Bugfix: an incorrect value was passed to mail proxy authentication
       server in "Auth-Method" header line; the bug had appeared
       in 0.7.34.
       Thanks to Simon Lecaille.

    *) Bugfix: system error text descriptions were not logged on Linux;
       the bug had appeared in 0.7.45.

    *) Bugfix: the "fastcgi_cache_min_uses" directive did not work.
       Thanks to Andrew Vorobyoff.


Changes with nginx 0.7.52                                        20 Apr 2009

    *) Feature: the first native Windows binary release.

    *) Bugfix: in processing HEAD method while caching.

    *) Bugfix: in processing the "If-Modified-Since", "If-Range", etc.
       client request header lines while caching.

    *) Bugfix: now the "Set-Cookie" and "P3P" header lines are hidden in
       cacheable responses.

    *) Bugfix: if nginx was built with the ngx_http_perl_module and with a
       perl which supports threads, then during a master process exit the
       message "panic: MUTEX_LOCK" might be issued.

    *) Bugfix: nginx could not be built --without-http-cache; the bug had
       appeared in 0.7.48.

    *) Bugfix: nginx could not be built on platforms different from i386,
       amd64, sparc, and ppc; the bug had appeared in 0.7.42.


Changes with nginx 0.7.51                                        12 Apr 2009

    *) Feature: the "try_files" directive supports a response code in the
       fallback parameter.

    *) Feature: now any response code can be used in the "return" directive.

    *) Bugfix: the "error_page" directive made an external redirect without
       query string; the bug had appeared in 0.7.44.

    *) Bugfix: if servers listened on several defined explicitly addresses,
       then virtual servers might not work; the bug had appeared in 0.7.39.


Changes with nginx 0.7.50                                        06 Apr 2009

    *) Bugfix: the $arg_... variables did not work; the bug had appeared in
       0.7.49.


Changes with nginx 0.7.49                                        06 Apr 2009

    *) Bugfix: a segmentation fault might occur in worker process, if the
       $arg_... variables were used; the bug had appeared in 0.7.48.


Changes with nginx 0.7.48                                        06 Apr 2009

    *) Feature: the "proxy_cache_key" directive.

    *) Bugfix: now nginx takes into account the "X-Accel-Expires",
       "Expires", and "Cache-Control" header lines in a backend response.

    *) Bugfix: now nginx caches responses for the GET requests only.

    *) Bugfix: the "fastcgi_cache_key" directive was not inherited.

    *) Bugfix: the $arg_... variables did not work with SSI subrequests.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built with uclibc library.
       Thanks to Timothy Redaelli.

    *) Bugfix: nginx could not be built on OpenBSD; the bug had
       appeared in 0.7.46.


Changes with nginx 0.7.47                                        01 Apr 2009

    *) Bugfix: nginx could not be built on FreeBSD 6 and early versions; the
       bug had appeared in 0.7.46.

    *) Bugfix: nginx could not be built on MacOSX; the bug had
       appeared in 0.7.46.

    *) Bugfix: if the "max_size" parameter was set, then the cache manager
       might purge a whole cache; the bug had appeared in 0.7.46.

    *) Change: a segmentation fault might occur in worker process, if the
       "proxy_cache"/"fastcgi_cache" and the "proxy_cache_valid"/
       "fastcgi_cache_valid" were set on different levels; the bug had
       appeared in 0.7.46.

    *) Bugfix: a segmentation fault might occur in worker process, if a
       request was redirected to a proxied or FastCGI server via error_page
       or try_files; the bug had appeared in 0.7.44.


Changes with nginx 0.7.46                                        30 Mar 2009

    *) Bugfix: the previous release tarball was incorrect.


Changes with nginx 0.7.45                                        30 Mar 2009

    *) Change: now the "proxy_cache" and the "proxy_cache_valid" directives
       can be set on different levels.

    *) Change: the "clean_time" parameter of the "proxy_cache_path"
       directive is canceled.

    *) Feature: the "max_size" parameter of the "proxy_cache_path"
       directive.

    *) Feature: the ngx_http_fastcgi_module preliminary cache support.

    *) Feature: now on shared memory allocation errors directive and zone
       names are logged.

    *) Bugfix: the directive "add_header last-modified ''" did not delete a
       "Last-Modified" response header line; the bug had appeared in 0.7.44.

    *) Bugfix: a relative path in the "auth_basic_user_file" directive given
       without variables did not work; the bug had appeared in 0.7.44.
       Thanks to Jerome Loyet.

    *) Bugfix: in an "alias" directive given using variables without
       references to captures of regular expressions; the bug had appeared
       in 0.7.42.


Changes with nginx 0.7.44                                        23 Mar 2009

    *) Feature: the ngx_http_proxy_module preliminary cache support.

    *) Feature: the --with-pcre option in the configure.

    *) Feature: the "try_files" directive is now allowed on the server block
       level.

    *) Bugfix: the "try_files" directive handled incorrectly a query string
       in a fallback parameter.

    *) Bugfix: the "try_files" directive might test incorrectly directories.

    *) Bugfix: if there was a single server for given address:port pair,
       then captures in regular expressions in a "server_name" directive did
       not work.


Changes with nginx 0.7.43                                        18 Mar 2009

    *) Bugfix: a request was handled incorrectly, if a "root" directive used
       variables; the bug had appeared in 0.7.42.

    *) Bugfix: if a server listened on wildcard address, then the
       $server_addr variable value was "0.0.0.0"; the bug had appeared in
       0.7.36.


Changes with nginx 0.7.42                                        16 Mar 2009

    *) Change: now the "Invalid argument" error returned by
       setsockopt(TCP_NODELAY) on Solaris, is ignored.

    *) Change: now if a file specified in a "auth_basic_user_file" directive
       is absent, then the 403 error is returned instead of the 500 one.

    *) Feature: the "auth_basic_user_file" directive supports variables.
       Thanks to Kirill A. Korinskiy.

    *) Feature: the "listen" directive supports the "ipv6only" parameter.
       Thanks to Zhang Hua.

    *) Bugfix: in an "alias" directive with references to captures of
       regular expressions; the bug had appeared in 0.7.40.

    *) Bugfix: compatibility with Tru64 UNIX.
       Thanks to Dustin Marquess.

    *) Bugfix: nginx could not be built without PCRE library; the bug had
       appeared in 0.7.41.


Changes with nginx 0.7.41                                        11 Mar 2009

    *) Bugfix: a segmentation fault might occur in worker process, if a
       "server_name" or a "location" directives had captures in regular
       expressions; the issue had appeared in 0.7.40.
       Thanks to Vladimir Sopot.


Changes with nginx 0.7.40                                        09 Mar 2009

    *) Feature: the "location" directive supports captures in regular
       expressions.

    *) Feature: an "alias" directive with capture references may be used
       inside a location given by a regular expression with captures.

    *) Feature: the "server_name" directive supports captures in regular
       expressions.

    *) Workaround: the ngx_http_autoindex_module did not show the trailing
       slash in directories on XFS filesystem; the issue had appeared in
       0.7.15.
       Thanks to Dmitry Kuzmenko.


Changes with nginx 0.7.39                                        02 Mar 2009

    *) Bugfix: large response with SSI might hang, if gzipping was enabled;
       the bug had appeared in 0.7.28.
       Thanks to Artem Bokhan.

    *) Bugfix: a segmentation fault might occur in worker process, if short
       static variants are used in a "try_files" directive.


Changes with nginx 0.7.38                                        23 Feb 2009

    *) Feature: authentication failures logging.

    *) Bugfix: name/password in auth_basic_user_file were ignored after odd
       number of empty lines.
       Thanks to Alexander Zagrebin.

    *) Bugfix: a segmentation fault occurred in a master process, if long
       path was used in unix domain socket; the bug had appeared in 0.7.36.


Changes with nginx 0.7.37                                        21 Feb 2009

    *) Bugfix: directives using upstreams did not work; the bug had appeared
       in 0.7.36.


Changes with nginx 0.7.36                                        21 Feb 2009

    *) Feature: a preliminary IPv6 support; the "listen" directive of the
       HTTP module supports IPv6.

    *) Bugfix: the $ancient_browser variable did not work for browsers
       preset by a "modern_browser" directives.


Changes with nginx 0.7.35                                        16 Feb 2009

    *) Bugfix: a "ssl_engine" directive did not use a SSL-accelerator for
       asymmetric ciphers.
       Thanks to Marcin Gozdalik.

    *) Bugfix: a "try_files" directive set MIME type depending on an
       original request extension.

    *) Bugfix: "*domain.tld" names were handled incorrectly in
       "server_name", "valid_referers", and "map" directives, if
       ".domain.tld" and ".subdomain.domain.tld" wildcards were used;
       the bug had appeared in 0.7.9.


Changes with nginx 0.7.34                                        10 Feb 2009

    *) Feature: the "off" parameter of the "if_modified_since" directive.

    *) Feature: now nginx sends an HELO/EHLO command after a XCLIENT
       command.
       Thanks to Maxim Dounin.

    *) Feature: Microsoft specific "AUTH LOGIN with User Name" mode support
       in mail proxy server.
       Thanks to Maxim Dounin.

    *) Bugfix: in a redirect rewrite directive original arguments were
       concatenated with new arguments by a "?" rather than an "&";
       the bug had appeared in 0.1.18.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built on AIX.


Changes with nginx 0.7.33                                        02 Feb 2009

    *) Bugfix: a double response might be returned if the epoll or rtsig
       methods are used and a redirect was returned to a request with body.
       Thanks to Eden Li.

    *) Bugfix: the $sent_http_location variable was empty for some redirects
       types.

    *) Bugfix: a segmentation fault might occur in worker process if
       "resolver" directive was used in SMTP proxy.


Changes with nginx 0.7.32                                        26 Jan 2009

    *) Feature: now a directory existence testing can be set explicitly in
       the "try_files" directive.

    *) Bugfix: fastcgi_store stored files not always.

    *) Bugfix: in geo ranges.

    *) Bugfix: in shared memory allocations if nginx was built without
       debugging.
       Thanks to Andrey Kvasov.


Changes with nginx 0.7.31                                        19 Jan 2009

    *) Change: now the "try_files" directive tests files only and ignores
       directories.

    *) Feature: the "fastcgi_split_path_info" directive.

    *) Bugfixes in an "Expect" request header line support.

    *) Bugfixes in geo ranges.

    *) Bugfix: in a miss case ngx_http_memcached_module returned the "END"
       line as response body instead of default 404 page body; the bug had
       appeared in 0.7.18.
       Thanks to Maxim Dounin.

    *) Bugfix: while SMTP proxying nginx issued message "250 2.0.0 OK"
       instead of "235 2.0.0 OK"; the bug had appeared in 0.7.22.
       Thanks to Maxim Dounin.


Changes with nginx 0.7.30                                        24 Dec 2008

    *) Bugfix: a segmentation fault occurred in worker process, if variables
       were used in the "fastcgi_pass" or "proxy_pass" directives and host
       name must be resolved; the bug had appeared in 0.7.29.


Changes with nginx 0.7.29                                        24 Dec 2008

    *) Bugfix: the "fastcgi_pass" and "proxy_pass" directives did not
       support variables if unix domain sockets were used.

    *) Bugfixes in subrequest processing; the bugs had appeared in 0.7.25.

    *) Bugfix: a "100 Continue" response was issued for HTTP/1.0 requests;
       Thanks to Maxim Dounin.

    *) Bugfix: in memory allocation in the ngx_http_gzip_filter_module on
       Cygwin.


Changes with nginx 0.7.28                                        22 Dec 2008

    *) Change: in memory allocation in the ngx_http_gzip_filter_module.

    *) Change: the default "gzip_buffers" directive values have been changed
       to 32 4k or 16 8k from 4 4k/8k.


Changes with nginx 0.7.27                                        15 Dec 2008

    *) Feature: the "try_files" directive.

    *) Feature: variables support in the "fastcgi_pass" directive.

    *) Feature: now the $geo variable may get an address from a variable.
       Thanks to Andrei Nigmatulin.

    *) Feature: now a location's modifier may be used without space before
       name.

    *) Feature: the $upstream_response_length variable.

    *) Bugfix: now a "add_header" directive does not add an empty value.

    *) Bugfix: if zero length static file was requested, then nginx just
       closed connection; the bug had appeared in 0.7.25.

    *) Bugfix: a MOVE method could not move file in non-existent directory.

    *) Bugfix: a segmentation fault occurred in worker process, if no one
       named location was defined in server, but some one was used in an
       error_page directive.
       Thanks to Sergey Bochenkov.


Changes with nginx 0.7.26                                        08 Dec 2008

    *) Bugfix: in subrequest processing; the bug had appeared in 0.7.25.


Changes with nginx 0.7.25                                        08 Dec 2008

    *) Change: in subrequest processing.

    *) Change: now POSTs without "Content-Length" header line are allowed.

    *) Bugfix: now the "limit_req" and "limit_conn" directives log a
       prohibition reason.

    *) Bugfix: in the "delete" parameter of the "geo" directive.


Changes with nginx 0.7.24                                        01 Dec 2008

    *) Feature: the "if_modified_since" directive.

    *) Bugfix: nginx did not process a FastCGI server response, if the
       server send too many messages to stderr before response.

    *) Bugfix: the "$cookie_..." variables did not work in the SSI and the
       perl module.


Changes with nginx 0.7.23                                        27 Nov 2008

    *) Feature: the "delete" and "ranges" parameters in the "geo" directive.

    *) Feature: speeding up loading of geo base with large number of values.

    *) Feature: decrease of memory required for geo base load.


Changes with nginx 0.7.22                                        20 Nov 2008

    *) Feature: the "none" parameter in the "smtp_auth" directive.
       Thanks to Maxim Dounin.

    *) Feature: the "$cookie_..." variables.

    *) Bugfix: the "directio" directive did not work in XFS filesystem.

    *) Bugfix: the resolver did not understand big DNS responses.
       Thanks to Zyb.


Changes with nginx 0.7.21                                        11 Nov 2008

    *) Changes in the ngx_http_limit_req_module.

    *) Feature: the EXSLT support in the ngx_http_xslt_module.
       Thanks to Denis F. Latypoff.

    *) Workaround: compatibility with glibc 2.3.
       Thanks to Eric Benson and Maxim Dounin.

    *) Bugfix: nginx could not run on MacOSX 10.4 and earlier; the bug had
       appeared in 0.7.6.


Changes with nginx 0.7.20                                        10 Nov 2008

    *) Changes in the ngx_http_gzip_filter_module.

    *) Feature: the ngx_http_limit_req_module.

    *) Bugfix: worker processes might exit on a SIGBUS signal on sparc and
       ppc platforms; the bug had appeared in 0.7.3.
       Thanks to Maxim Dounin.

    *) Bugfix: the "proxy_pass http://host/some:uri" directives did not
       work; the bug had appeared in 0.7.12.

    *) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
       error.

    *) Bugfix: the ngx_http_secure_link_module did not work inside
       locations, whose names are less than 3 characters.

    *) Bugfix: $server_addr variable might have no value.


Changes with nginx 0.7.19                                        13 Oct 2008

    *) Bugfix: version number update.


Changes with nginx 0.7.18                                        13 Oct 2008

    *) Change: the "underscores_in_headers" directive; now nginx does not
       allows underscores in a client request header line names.

    *) Feature: the ngx_http_secure_link_module.

    *) Feature: the "real_ip_header" directive supports any header.

    *) Feature: the "log_subrequest" directive.

    *) Feature: the $realpath_root variable.

    *) Feature: the "http_502" and "http_504" parameters of the
       "proxy_next_upstream" directive.

    *) Bugfix: the "http_503" parameter of the "proxy_next_upstream" or
       "fastcgi_next_upstream" directives did not work.

    *) Bugfix: nginx might send a "Transfer-Encoding: chunked" header line
       for HEAD requests.

    *) Bugfix: now accept threshold depends on worker_connections.


Changes with nginx 0.7.17                                        15 Sep 2008

    *) Feature: now the "directio" directive works on Linux.

    *) Feature: the $pid variable.

    *) Bugfix: the "directio" optimization that had appeared in 0.7.15 did
       not work with open_file_cache.

    *) Bugfix: the "access_log" with variables did not work on Linux; the
       bug had appeared in 0.7.7.

    *) Bugfix: the ngx_http_charset_module did not understand quoted charset
       name received from backend.


Changes with nginx 0.7.16                                        08 Sep 2008

    *) Bugfix: nginx could not be built on 64-bit platforms; the bug had
       appeared in 0.7.15.


Changes with nginx 0.7.15                                        08 Sep 2008

    *) Feature: the ngx_http_random_index_module.

    *) Feature: the "directio" directive has been optimized for file
       requests starting from arbitrary position.

    *) Feature: the "directio" directive turns off sendfile if it is
       necessary.

    *) Feature: now nginx allows underscores in a client request header line
       names.


Changes with nginx 0.7.14                                        01 Sep 2008

    *) Change: now the ssl_certificate and ssl_certificate_key directives
       have no default values.

    *) Feature: the "listen" directive supports the "ssl" parameter.

    *) Feature: now nginx takes into account a time zone change while
       reconfiguration on FreeBSD and Linux.

    *) Bugfix: the "listen" directive parameters such as "backlog",
       "rcvbuf", etc. were not set, if a default server was not the first
       one.

    *) Bugfix: if URI part captured by a "rewrite" directive was used as a
       query string, then the query string was not escaped.

    *) Bugfix: configuration file validity test improvements.


Changes with nginx 0.7.13                                        26 Aug 2008

    *) Bugfix: nginx could not be built on Linux and Solaris; the bug had
       appeared in 0.7.12.


Changes with nginx 0.7.12                                        26 Aug 2008

    *) Feature: the "server_name" directive supports empty name "".

    *) Feature: the "gzip_disable" directive supports special "msie6" mask.

    *) Bugfix: if the "max_fails=0" parameter was used in upstream with
       several servers, then a worker process exited on a SIGFPE signal.
       Thanks to Maxim Dounin.

    *) Bugfix: a request body was dropped while redirection via an
       "error_page" directive.

    *) Bugfix: a full response was returned for request method HEAD while
       redirection via an "error_page" directive.

    *) Bugfix: the $r->header_in() method did not return value of the
       "Host", "User-Agent", and "Connection" request header lines; the bug
       had appeared in 0.7.0.


Changes with nginx 0.7.11                                        18 Aug 2008

    *) Change: now ngx_http_charset_module does not work by default with
       text/css MIME type.

    *) Feature: now nginx returns the 405 status code for POST method
       requesting a static file only if the file exists.

    *) Feature: the "proxy_ssl_session_reuse" directive.

    *) Bugfix: a "proxy_pass" directive without URI part might use original
       request after the "X-Accel-Redirect" redirection was used;

    *) Bugfix: if a directory has search only rights and the first index
       file was absent, then nginx returned the 500 status code.

    *) Bugfix: in inclusive locations; the bugs had appeared in 0.7.1.


Changes with nginx 0.7.10                                        13 Aug 2008

    *) Bugfix: in the "addition_types", "charset_types", "gzip_types",
       "ssi_types", "sub_filter_types", and "xslt_types" directives; the
       bugs had appeared in 0.7.9.

    *) Bugfix: of recursive error_page for 500 status code.

    *) Bugfix: now the ngx_http_realip_module sets address not for whole
       keepalive connection, but for each request passed via the connection.


Changes with nginx 0.7.9                                         12 Aug 2008

    *) Change: now ngx_http_charset_module works by default with following
       MIME types: text/html, text/css, text/xml, text/plain,
       text/vnd.wap.wml, application/x-javascript, and application/rss+xml.

    *) Feature: the "charset_types" and "addition_types" directives.

    *) Feature: now the "gzip_types", "ssi_types", and "sub_filter_types"
       directives use hash.

    *) Feature: the ngx_cpp_test_module.

    *) Feature: the "expires" directive supports daily time.

    *) Feature: the ngx_http_xslt_module improvements and bug fixing.
       Thanks to Denis F. Latypoff and Maxim Dounin.

    *) Bugfix: the "log_not_found" directive did not work for index files
       tests.

    *) Bugfix: HTTPS connections might hang, if kqueue, epoll, rtsig, or
       eventport methods were used; the bug had appeared in 0.7.7.

    *) Bugfix: if the "server_name", "valid_referers", and "map" directives
       used an "*.domain.tld" wildcard and exact name "domain.tld" was not
       set, then the exact name was matched by the wildcard; the bug had
       appeared in 0.3.18.


Changes with nginx 0.7.8                                         04 Aug 2008

    *) Feature: the ngx_http_xslt_module.

    *) Feature: the "$arg_..." variables.

    *) Feature: Solaris directio support.
       Thanks to Ivan Debnar.

    *) Bugfix: now if FastCGI server sends a "Location" header line without
       status line, then nginx uses 302 status code.
       Thanks to Maxim Dounin.


Changes with nginx 0.7.7                                         30 Jul 2008

    *) Change: now the EAGAIN error returned by connect() is not considered
       as temporary error.

    *) Change: now the $ssl_client_cert variable value is a certificate with
       TAB character intended before each line except first one; an
       unchanged certificate is available in the $ssl_client_raw_cert
       variable.

    *) Feature: the "ask" parameter in the "ssl_verify_client" directive.

    *) Feature: byte-range processing improvements.
       Thanks to Maxim Dounin.

    *) Feature: the "directio" directive.
       Thanks to Jiang Hong.

    *) Feature: MacOSX 10.5 sendfile() support.

    *) Bugfix: now in MacOSX and Cygwin locations are tested in case
       insensitive mode; however, the compare is provided by single-byte
       locales only.

    *) Bugfix: mail proxy SSL connections hanged, if select, poll, or
       /dev/poll methods were used.

    *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module.


Changes with nginx 0.7.6                                         07 Jul 2008

    *) Bugfix: now if variables are used in the "access_log" directive a
       request root existence is always tested.

    *) Bugfix: the ngx_http_flv_module did not support several values in a
       query string.


Changes with nginx 0.7.5                                         01 Jul 2008

    *) Bugfixes in variables support in the "access_log" directive; the bugs
       had appeared in 0.7.4.

    *) Bugfix: nginx could not be built --without-http_gzip_module; the bug
       had appeared in 0.7.3.
       Thanks to Kirill A. Korinskiy.

    *) Bugfix: if sub_filter and SSI were used together, then responses
       might were transferred incorrectly.


Changes with nginx 0.7.4                                         30 Jun 2008

    *) Feature: variables support in the "access_log" directive.

    *) Feature: the "open_log_file_cache" directive.

    *) Feature: the -g switch.

    *) Feature: the "Expect" request header line support.

    *) Bugfix: large SSI inclusions might be truncated.


Changes with nginx 0.7.3                                         23 Jun 2008

    *) Change: the "rss" extension MIME type has been changed to
       "application/rss+xml".

    *) Change: now the "gzip_vary" directive turned on issues a
       "Vary: Accept-Encoding" header line for uncompressed responses too.

    *) Feature: now the "rewrite" directive does a redirect automatically if
       the "https://" protocol is used.

    *) Bugfix: the "proxy_pass" directive did not work with the HTTPS
       protocol; the bug had appeared in 0.6.9.


Changes with nginx 0.7.2                                         16 Jun 2008

    *) Feature: now nginx supports EDH key exchange ciphers.

    *) Feature: the "ssl_dhparam" directive.

    *) Feature: the $ssl_client_cert variable.
       Thanks to Manlio Perillo.

    *) Bugfix: after changing URI via a "rewrite" directive nginx did not
       search a new location; the bug had appeared in 0.7.1.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built without PCRE library; the bug had
       appeared in 0.7.1.

    *) Bugfix: when a request to a directory was redirected with the slash
       added, nginx dropped a query string from the original request.


Changes with nginx 0.7.1                                         26 May 2008

    *) Change: now locations are searched in a tree.

    *) Change: the "optimize_server_names" directive was canceled due to the
       "server_name_in_redirect" directive introduction.

    *) Change: some long deprecated directives are not supported anymore.

    *) Change: the "none" parameter in the "ssl_session_cache" directive;
       now this is default parameter.
       Thanks to Rob Mueller.

    *) Bugfix: worker processes might not catch reconfiguration and log
       rotation signals.

    *) Bugfix: nginx could not be built on latest Fedora 9 Linux.
       Thanks to Roxis.


Changes with nginx 0.7.0                                         19 May 2008

    *) Change: now the 0x00-0x1F, '"' and '\' characters are escaped as \xXX
       in an access_log.
       Thanks to Maxim Dounin.

    *) Change: now nginx allows several "Host" request header line.

    *) Feature: the "modified" flag in the "expires" directive.

    *) Feature: the $uid_got and $uid_set variables may be used at any
       request processing stage.

    *) Feature: the $hostname variable.
       Thanks to Andrei Nigmatulin.

    *) Feature: DESTDIR support.
       Thanks to Todd A. Fisher and Andras Voroskoi.

    *) Bugfix: a segmentation fault might occur in worker process on Linux,
       if keepalive was enabled.


Changes with nginx 0.6.31                                        12 May 2008

    *) Bugfix: nginx did not process FastCGI response if header was at the
       end of FastCGI record; the bug had appeared in 0.6.2.
       Thanks to Sergey Serov.

    *) Bugfix: a segmentation fault might occur in worker process if a file
       was deleted and the "open_file_cache_errors" directive was off.


Changes with nginx 0.6.30                                        29 Apr 2008

    *) Change: now if an "include" directive pattern does not match any
       file, then nginx does not issue an error.

    *) Feature: now the time in directives may be specified without spaces,
       for example, "1h50m".

    *) Bugfix: memory leaks if the "ssl_verify_client" directive was on.
       Thanks to Chavelle Vincent.

    *) Bugfix: the "sub_filter" directive might set text to change into
       output.

    *) Bugfix: the "error_page" directive did not take into account
       arguments in redirected URI.

    *) Bugfix: now nginx always opens files in binary mode under Cygwin.

    *) Bugfix: nginx could not be built on OpenBSD; the bug had appeared in
       0.6.15.


Changes with nginx 0.6.29                                        18 Mar 2008

    *) Feature: the ngx_google_perftools_module.

    *) Bugfix: the ngx_http_perl_module could not be built on 64-bit
       platforms; the bug had appeared in 0.6.27.


Changes with nginx 0.6.28                                        13 Mar 2008

    *) Bugfix: the rtsig method could not be built; the bug had appeared in
       0.6.27.


Changes with nginx 0.6.27                                        12 Mar 2008

    *) Change: now by default the rtsig method is not built on
       Linux 2.6.18+.

    *) Change: now a request method is not changed while redirection to a
       named location via an "error_page" directive.

    *) Feature: the "resolver" and "resolver_timeout" directives in SMTP
       proxy.

    *) Feature: the "post_action" directive supports named locations.

    *) Bugfix: a segmentation fault occurred in worker process, if a request
       was redirected from proxy, FastCGI, or memcached location to static
       named locations.

    *) Bugfix: browsers did not repeat SSL handshake if there is no valid
       client certificate in first handshake.
       Thanks to Alexander V. Inyukhin.

    *) Bugfix: if response code 495-497 was redirected via an "error_page"
       directive without code change, then nginx tried to allocate too many
       memory.

    *) Bugfix: memory leak in long-lived non buffered connections.

    *) Bugfix: memory leak in resolver.

    *) Bugfix: a segmentation fault occurred in worker process, if a request
       was redirected from proxy, FastCGI, or memcached location to static
       named locations.

    *) Bugfix: in the $proxy_host and $proxy_port variables caching.
       Thanks to Sergey Bochenkov.

    *) Bugfix: a "proxy_pass" directive with variables used incorrectly the
       same port as in another "proxy_pass" directive with the same host
       name and without variables.
       Thanks to Sergey Bochenkov.

    *) Bugfix: an alert "sendmsg() failed (9: Bad file descriptor)" on some
       64-bit platforms while reconfiguration.

    *) Bugfix: a segmentation fault occurred in worker process, if empty
       stub block was used second time in SSI.

    *) Bugfix: in copying URI part contained escaped symbols into arguments.


Changes with nginx 0.6.26                                        11 Feb 2008

    *) Bugfix: the "proxy_store" and "fastcgi_store" directives did not
       check a response length.

    *) Bugfix: a segmentation fault occurred in worker process, if big value
       was used in a "expires" directive.
       Thanks to Joaquin Cuenca Abela.

    *) Bugfix: nginx incorrectly detected cache line size on Pentium 4.
       Thanks to Gena Makhomed.

    *) Bugfix: in proxied or FastCGI subrequests a client original method
       was used instead of the GET method.

    *) Bugfix: socket leak in HTTPS mode if deferred accept was used.
       Thanks to Ben Maurer.

    *) Bugfix: nginx issued the bogus error message "SSL_shutdown() failed
       (SSL: )"; the bug had appeared in 0.6.23.

    *) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
       error; the bug had appeared in 0.6.23.


Changes with nginx 0.6.25                                        08 Jan 2008

    *) Change: now the "server_name_in_redirect" directive is used instead
       of the "server_name" directive's special "*" parameter.

    *) Change: now wildcard and regex names can be used as main name in a
       "server_name" directive.

    *) Change: the "satisfy_any" directive was replaced by the "satisfy"
       directive.

    *) Workaround: old worker processes might hog CPU after reconfiguration
       if they was run under Linux OpenVZ.

    *) Feature: the "min_delete_depth" directive.

    *) Bugfix: the COPY and MOVE methods did not work with single files.

    *) Bugfix: the ngx_http_gzip_static_module did not allow the
       ngx_http_dav_module to work; the bug had appeared in 0.6.23.

    *) Bugfix: socket leak in HTTPS mode if deferred accept was used.
       Thanks to Ben Maurer.

    *) Bugfix: nginx could not be built without PCRE library; the bug had
       appeared in 0.6.23.


Changes with nginx 0.6.24                                        27 Dec 2007

    *) Bugfix: a segmentation fault might occur in worker process if HTTPS
       was used; the bug had appeared in 0.6.23.


Changes with nginx 0.6.23                                        27 Dec 2007

    *) Change: the "off" parameter in the "ssl_session_cache" directive; now
       this is default parameter.

    *) Change: the "open_file_cache_retest" directive was renamed to the
       "open_file_cache_valid".

    *) Feature: the "open_file_cache_min_uses" directive.

    *) Feature: the ngx_http_gzip_static_module.

    *) Feature: the "gzip_disable" directive.

    *) Feature: the "memcached_pass" directive may be used inside the "if"
       block.

    *) Bugfix: a segmentation fault occurred in worker process, if the
       "memcached_pass" and "if" directives were used in the same location.

    *) Bugfix: if a "satisfy_any on" directive was used and not all access
       and auth modules directives were set, then other given access and
       auth directives were not tested;

    *) Bugfix: regex parameters in a "valid_referers" directive were not
       inherited from previous level.

    *) Bugfix: a "post_action" directive did run if a request was completed
       with 499 status code.

    *) Bugfix: optimization of 16K buffer usage in a SSL connection.
       Thanks to Ben Maurer.

    *) Bugfix: the STARTTLS in SMTP mode did not work.
       Thanks to Oleg Motienko.

    *) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
       error; the bug had appeared in 0.5.13.


Changes with nginx 0.6.22                                        19 Dec 2007

    *) Change: now all ngx_http_perl_module methods return values copied to
       perl's allocated memory.

    *) Bugfix: if nginx was built with ngx_http_perl_module, the perl before
       5.8.6 was used, and perl supported threads, then during
       reconfiguration the master process aborted; the bug had appeared in
       0.5.9.
       Thanks to Boris Zhmurov.

    *) Bugfix: the ngx_http_perl_module methods may get invalid values of
       the regex captures.

    *) Bugfix: a segmentation fault occurred in worker process, if the
       $r->has_request_body() method was called for a request whose small
       request body was already received.

    *) Bugfix: large_client_header_buffers did not freed before going to
       keep-alive state.
       Thanks to Olexander Shtepa.

    *) Bugfix: the last address was missed in the $upstream_addr variable;
       the bug had appeared in 0.6.18.

    *) Bugfix: the "fastcgi_catch_stderr" directive did return error code;
       now it returns 502 code, that can be rerouted to a next server using
       the "fastcgi_next_upstream invalid_header" directive.

    *) Bugfix: a segmentation fault occurred in master process if the
       "fastcgi_catch_stderr" directive was used; the bug had appeared in
       0.6.10.
       Thanks to Manlio Perillo.


Changes with nginx 0.6.21                                        03 Dec 2007

    *) Change: if variable values used in a "proxy_pass" directive contain
       IP-addresses only, then a "resolver" directive is not mandatory.

    *) Bugfix: a segmentation fault might occur in worker process if a
       "proxy_pass" directive with URI-part was used; the bug had appeared
       in 0.6.19.

    *) Bugfix: if resolver was used on platform that does not support
       kqueue, then nginx issued an alert "name is out of response".
       Thanks to Andrei Nigmatulin.

    *) Bugfix: if the $server_protocol was used in FastCGI parameters and a
       request line length was near to the "client_header_buffer_size"
       directive value, then nginx issued an alert "fastcgi: the request
       record is too big".

    *) Bugfix: if a plain text HTTP/0.9 version request was made to HTTPS
       server, then nginx returned usual response.


Changes with nginx 0.6.20                                        28 Nov 2007

    *) Bugfix: a segmentation fault might occur in worker process if a
       "proxy_pass" directive with URI-part was used; the bug had appeared
       in 0.6.19.


Changes with nginx 0.6.19                                        27 Nov 2007

    *) Bugfix: the 0.6.18 version could not be built.


Changes with nginx 0.6.18                                        27 Nov 2007

    *) Change: now the ngx_http_userid_module adds start time microseconds
       to the cookie field contains a pid value.

    *) Change: now the full request line instead of URI only is written to
       error_log.

    *) Feature: variables support in the "proxy_pass" directive.

    *) Feature: the "resolver" and "resolver_timeout" directives.

    *) Feature: now the directive "add_header last-modified ''" deletes a
       "Last-Modified" response header line.

    *) Bugfix: the "limit_rate" directive did not allow to use full
       throughput, even if limit value was very high.


Changes with nginx 0.6.17                                        15 Nov 2007

    *) Feature: the "If-Range" request header line support.
       Thanks to Alexander V. Inyukhin.

    *) Bugfix: URL double escaping in a redirect of the "msie_refresh"
       directive; the bug had appeared in 0.6.4.

    *) Bugfix: the "autoindex" directive did not work with the "alias /"
       directive.

    *) Bugfix: a segmentation fault might occur in worker process if
       subrequests were used.

    *) Bugfix: the big responses may be transferred truncated if SSL and
       gzip were used.

    *) Bugfix: the $status variable was equal to 0 if a proxied server
       returned response in HTTP/0.9 version.


Changes with nginx 0.6.16                                        29 Oct 2007

    *) Change: now the uname(2) is used on Linux instead of procfs.
       Thanks to Ilya Novikov.

    *) Bugfix: if the "?" character was in a "error_page" directive, then it
       was escaped in a proxied request; the bug had appeared in 0.6.11.

    *) Bugfix: compatibility with mget.


Changes with nginx 0.6.15                                        22 Oct 2007

    *) Feature: Cygwin compatibility.
       Thanks to Vladimir Kutakov.

    *) Feature: the "merge_slashes" directive.

    *) Feature: the "gzip_vary" directive.

    *) Feature: the "server_tokens" directive.

    *) Bugfix: nginx did not unescape URI in the "include" SSI command.

    *) Bugfix: the segmentation fault was occurred on start or while
       reconfiguration if variable was used in the "charset" or
       "source_charset" directives.

    *) Bugfix: nginx returned the 400 response on requests like
       "GET http://www.domain.com HTTP/1.0".
       Thanks to James Oakley.

    *) Bugfix: if request with request body was redirected using the
       "error_page" directive, then nginx tried to read the request body
       again; the bug had appeared in 0.6.7.

    *) Bugfix: a segmentation fault occurred in worker process if no
       server_name was explicitly defined for server processing request; the
       bug had appeared in 0.6.7.


Changes with nginx 0.6.14                                        15 Oct 2007

    *) Change: now by default the "echo" SSI command uses entity encoding.

    *) Feature: the "encoding" parameter in the "echo" SSI command.

    *) Feature: the "access_log" directive may be used inside the
       "limit_except" block.

    *) Bugfix: if all upstream servers were failed, then all servers had got
       weight the was equal one until servers became alive; the bug had
       appeared in 0.6.6.

    *) Bugfix: a segmentation fault occurred in worker process if
       $date_local and $date_gmt were used outside the
       ngx_http_ssi_filter_module.

    *) Bugfix: a segmentation fault might occur in worker process if debug
       log was enabled.
       Thanks to Andrei Nigmatulin.

    *) Bugfix: ngx_http_memcached_module did not set
       $upstream_response_time.
       Thanks to Maxim Dounin.

    *) Bugfix: a worker process may got caught in an endless loop, if the
       memcached was used.

    *) Bugfix: nginx supported low case only "close" and "keep-alive" values
       in the "Connection" request header line; the bug had appeared in
       0.6.11.

    *) Bugfix: sub_filter did not work with empty substitution.

    *) Bugfix: in sub_filter parsing.


Changes with nginx 0.6.13                                        24 Sep 2007

    *) Bugfix: nginx did not close directory file on HEAD request if
       autoindex was used.
       Thanks to Arkadiusz Patyk.


Changes with nginx 0.6.12                                        21 Sep 2007

    *) Change: mail proxy was split on three modules: pop3, imap and smtp.

    *) Feature: the --without-mail_pop3_module, --without-mail_imap_module,
       and --without-mail_smtp_module configuration parameters.

    *) Feature: the "smtp_greeting_delay" and "smtp_client_buffer"
       directives of the ngx_mail_smtp_module.

    *) Bugfix: the trailing wildcards did not work; the bug had appeared in
       0.6.9.

    *) Bugfix: nginx could not start on Solaris if the shared PCRE library
       located in non-standard place was used.

    *) Bugfix: the "proxy_hide_header" and "fastcgi_hide_header" directives
       did not hide response header lines whose name was longer than 32
       characters.
       Thanks to Manlio Perillo.


Changes with nginx 0.6.11                                        11 Sep 2007

    *) Bugfix: active connection counter always increased if mail proxy was
       used.

    *) Bugfix: if backend returned response header only using non-buffered
       proxy, then nginx closed backend connection on timeout.

    *) Bugfix: nginx did not support several "Connection" request header
       lines.

    *) Bugfix: if the "max_fails" was set for upstream server, then after
       first failure server weight was always one; the bug had appeared in
       0.6.6.


Changes with nginx 0.6.10                                        03 Sep 2007

    *) Feature: the "open_file_cache", "open_file_cache_retest", and
       "open_file_cache_errors" directives.

    *) Bugfix: socket leak; the bug had appeared in 0.6.7.

    *) Bugfix: a charset set by the "charset" directive was not appended to
       the "Content-Type" header set by $r->send_http_header().

    *) Bugfix: a segmentation fault might occur in worker process if
       /dev/poll method was used.


Changes with nginx 0.6.9                                         28 Aug 2007

    *) Bugfix: a worker process may got caught in an endless loop, if the
       HTTPS protocol was used; the bug had appeared in 0.6.7.

    *) Bugfix: if server listened on two addresses or ports and trailing
       wildcard was used, then nginx did not run.

    *) Bugfix: the "ip_hash" directive might incorrectly mark servers as
       down.

    *) Bugfix: nginx could not be built on amd64; the bug had appeared in
       0.6.8.


Changes with nginx 0.6.8                                         20 Aug 2007

    *) Change: now nginx tries to set the "worker_priority",
       "worker_rlimit_nofile", "worker_rlimit_core", and
       "worker_rlimit_sigpending" without super-user privileges.

    *) Change: now nginx escapes space and "%" in request to a mail proxy
       authentication server.

    *) Change: now nginx escapes "%" in $memcached_key variable.

    *) Bugfix: nginx used path relative to configuration prefix for
       non-absolute configuration file path specified in the "-c" key; the
       bug had appeared in 0.6.6.

    *) Bugfix: nginx did not work on FreeBSD/sparc64.


Changes with nginx 0.6.7                                         15 Aug 2007

    *) Change: now the paths specified in the "include",
       "auth_basic_user_file", "perl_modules", "ssl_certificate",
       "ssl_certificate_key", and "ssl_client_certificate" directives are
       relative to directory of nginx configuration file nginx.conf, but not
       to nginx prefix directory.

    *) Change: the --sysconfdir=PATH option in configure was canceled.

    *) Change: the special make target "upgrade1" was defined for online
       upgrade of 0.1.x versions.

    *) Feature: the "server_name" and "valid_referers" directives support
       regular expressions.

    *) Feature: the "server" directive in the "upstream" context supports
       the "backup" parameter.

    *) Feature: the ngx_http_perl_module supports the
       $r->discard_request_body.

    *) Feature: the "add_header Last-Modified ..." directive changes the
       "Last-Modified" response header line.

    *) Bugfix: if a response different than 200 was returned to a request
       with body and connection went to the keep-alive state after the
       request, then nginx returned 400 for the next request.

    *) Bugfix: a segmentation fault occurred in worker process if invalid
       address was set in the "auth_http" directive.

    *) Bugfix: now nginx uses default listen backlog value 511 on all
       platforms except FreeBSD.
       Thanks to Jiang Hong.

    *) Bugfix: a worker process may got caught in an endless loop, if a
       "server" inside "upstream" block was marked as "down"; the bug had
       appeared in 0.6.6.

    *) Bugfix: now Solaris sendfilev() is not used to transfer the client
       request body to FastCGI-server via the unix domain socket.


Changes with nginx 0.6.6                                         30 Jul 2007

    *) Feature: the --sysconfdir=PATH option in configure.

    *) Feature: named locations.

    *) Feature: the $args variable can be set with the "set" directive.

    *) Feature: the $is_args variable.

    *) Bugfix: fair big weight upstream balancer.

    *) Bugfix: if a client has closed connection to mail proxy then nginx
       might not close connection to backend.

    *) Bugfix: if the same host without specified port was used as backend
       for HTTP and HTTPS, then nginx used only one port - 80 or 443.

    *) Bugfix: fix building on Solaris/amd64 by Sun Studio 11 and early
       versions; the bug had appeared in 0.6.4.


Changes with nginx 0.6.5                                         23 Jul 2007

    *) Feature: $nginx_version variable.
       Thanks to Nick S. Grechukh.

    *) Feature: the mail proxy supports AUTHENTICATE in IMAP mode.
       Thanks to Maxim Dounin.

    *) Feature: the mail proxy supports STARTTLS in SMTP mode.
       Thanks to Maxim Dounin.

    *) Bugfix: now nginx escapes space in $memcached_key variable.

    *) Bugfix: nginx was incorrectly built by Sun Studio on Solaris/amd64.
       Thanks to Jiang Hong.

    *) Bugfix: of minor potential bugs.
       Thanks to Coverity's Scan.


Changes with nginx 0.6.4                                         17 Jul 2007

    *) Security: the "msie_refresh" directive allowed XSS.
       Thanks to Maxim Boguk.

    *) Change: the "proxy_store" and "fastcgi_store" directives were
       changed.

    *) Feature: the "proxy_store_access" and "fastcgi_store_access"
       directives.

    *) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun
       Studio.
       Thanks to Andrei Nigmatulin.

    *) Workaround: for Sun Studio 12.
       Thanks to Jiang Hong.


Changes with nginx 0.6.3                                         12 Jul 2007

    *) Feature: the "proxy_store" and "fastcgi_store" directives.

    *) Bugfix: a segmentation fault might occur in worker process if the
       "auth_http_header" directive was used.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault occurred in worker process if the
       CRAM-MD5 authentication method was used, but it was not enabled.

    *) Bugfix: a segmentation fault might occur in worker process when the
       HTTPS protocol was used in the "proxy_pass" directive.

    *) Bugfix: a segmentation fault might occur in worker process if the
       eventport method was used.

    *) Bugfix: the "proxy_ignore_client_abort" and
       "fastcgi_ignore_client_abort" directives did not work; the bug had
       appeared in 0.5.13.


Changes with nginx 0.6.2                                         09 Jul 2007

    *) Bugfix: if the FastCGI header was split in records, then nginx passed
       garbage in the header to a client.


Changes with nginx 0.6.1                                         17 Jun 2007

    *) Bugfix: in SSI parsing.

    *) Bugfix: if remote SSI subrequest was used, then posterior local file
       subrequest might transferred to client in wrong order.

    *) Bugfix: large SSI inclusions buffered in temporary files were
       truncated.

    *) Bugfix: the perl $$ variable value in ngx_http_perl_module was equal
       to the master process identification number.


Changes with nginx 0.6.0                                         14 Jun 2007

    *) Feature: the "server_name", "map", and "valid_referers" directives
       support the "www.example.*" wildcards.


Changes with nginx 0.5.25                                        11 Jun 2007

    *) Bugfix: nginx could not be built with the
       --without-http_rewrite_module parameter; the bug had appeared in
       0.5.24.


Changes with nginx 0.5.24                                        06 Jun 2007

    *) Security: the "ssl_verify_client" directive did not work if request
       was made using HTTP/0.9.

    *) Bugfix: a part of response body might be passed uncompressed if gzip
       was used; the bug had appeared in 0.5.23.


Changes with nginx 0.5.23                                        04 Jun 2007

    *) Feature: the ngx_http_ssl_module supports Server Name Indication TLS
       extension.

    *) Feature: the "fastcgi_catch_stderr" directive.
       Thanks to Nick S. Grechukh, OWOX project.

    *) Bugfix: a segmentation fault occurred in master process if two
       virtual servers should bind() to the overlapping ports.

    *) Bugfix: if nginx was built with ngx_http_perl_module and perl
       supported threads, then during second reconfiguration the error
       messages "panic: MUTEX_LOCK" and "perl_parse() failed" were issued.

    *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.


Changes with nginx 0.5.22                                        29 May 2007

    *) Bugfix: a big request body might not be passed to backend; the bug
       had appeared in 0.5.21.


Changes with nginx 0.5.21                                        28 May 2007

    *) Bugfix: if server has more than about ten locations, then regex
       locations might be choosen not in that order as they were specified.

    *) Bugfix: a worker process may got caught in an endless loop on 64-bit
       platform, if the 33-rd or next in succession backend has failed.
       Thanks to Anton Povarov.

    *) Bugfix: a bus error might occur on Solaris/sparc64 if the PCRE
       library was used.
       Thanks to Andrei Nigmatulin.

    *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.


Changes with nginx 0.5.20                                        07 May 2007

    *) Feature: the "sendfile_max_chunk" directive.

    *) Feature: the "$http_...", "$sent_http_...", and "$upstream_http_..."
       variables may be changed using the "set" directive.

    *) Bugfix: a segmentation fault might occur in worker process if the SSI
       command 'if expr="$var = /"' was used.

    *) Bugfix: trailing boundary of multipart range response was transferred
       incorrectly.
       Thanks to Evan Miller.

    *) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun
       Studio.
       Thanks to Andrei Nigmatulin.

    *) Bugfix: the ngx_http_perl_module could not be built by Solaris make.
       Thanks to Andrei Nigmatulin.


Changes with nginx 0.5.19                                        24 Apr 2007

    *) Change: now the $request_time variable has millisecond precision.

    *) Change: the method $r->rflush of ngx_http_perl_module was renamed to
       the $r->flush.

    *) Feature: the $upstream_addr variable.

    *) Feature: the "proxy_headers_hash_max_size" and
       "proxy_headers_hash_bucket_size" directives.
       Thanks to Volodymyr Kostyrko.

    *) Bugfix: the files more than 2G could not be transferred using
       sendfile and limit_rate on 64-bit platforms.

    *) Bugfix: the files more than 2G could not be transferred using
       sendfile on 64-bit Linux.


Changes with nginx 0.5.18                                        19 Apr 2007

    *) Feature: the ngx_http_sub_filter_module.

    *) Feature: the "$upstream_http_..." variables.

    *) Feature: now the $upstream_status and $upstream_response_time
       variables keep data about all upstreams before X-Accel-Redirect.

    *) Bugfix: a segmentation fault occurred in master process after first
       reconfiguration and receiving any signal if nginx was built with
       ngx_http_perl_module and perl did not support multiplicity; the bug
       had appeared in 0.5.9.

    *) Bugfix: if perl did not support multiplicity, then after
       reconfiguration perl code did not work; the bug had appeared in
       0.3.38.


Changes with nginx 0.5.17                                        02 Apr 2007

    *) Change: now nginx always returns the 405 status for the TRACE method.

    *) Feature: now nginx supports the "include" directive inside the
       "types" block.

    *) Bugfix: the $document_root variable usage in the "root" and "alias"
       directives is disabled: this caused recursive stack overflow.

    *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.

    *) Bugfix: in some cases non-cachable variables (such as $uri variable)
       returned old cached value.


Changes with nginx 0.5.16                                        26 Mar 2007

    *) Bugfix: the C-class network was not used as hash key in the "ip_hash"
       directive.
       Thanks to Pavel Yarkovoy.

    *) Bugfix: a segmentation fault might occur in worker process if a
       charset was set in the "Content-Type" header line and the line has
       trailing ";"; the bug had appeared in 0.3.50.

    *) Bugfix: the "[alert] zero size buf" error when FastCGI server was
       used and a request body written in a temporary file was multiple of
       32K.

    *) Bugfix: nginx could not be built on Solaris without the --with-debug
       option; the bug had appeared in 0.5.15.


Changes with nginx 0.5.15                                        19 Mar 2007

    *) Feature: the mail proxy supports authenticated SMTP proxying and the
       "smtp_auth", "smtp_capablities", and "xclient" directives.
       Thanks to Anton Yuzhaninov and Maxim Dounin.

    *) Feature: now the keep-alive connections are closed just after
       receiving the reconfiguration signal.

    *) Change: the "imap" and "auth" directives were renamed to the "mail"
       and "pop3_auth" directives.

    *) Bugfix: a segmentation fault occurred in worker process if the
       CRAM-MD5 authentication method was used and the APOP method was
       disabled.

    *) Bugfix: if the "starttls only" directive was used in POP3 protocol,
       then nginx allowed authentication without switching to the SSL mode.

    *) Bugfix: worker processes did not exit after reconfiguration and did
       not rotate logs if the eventport method was used.

    *) Bugfix: a worker process may got caught in an endless loop, if the
       "ip_hash" directive was used.

    *) Bugfix: now nginx does not log some alerts if eventport or /dev/poll
       methods are used.


Changes with nginx 0.5.14                                        23 Feb 2007

    *) Bugfix: nginx ignored superfluous closing "}" in the end of
       configuration file.


Changes with nginx 0.5.13                                        19 Feb 2007

    *) Feature: the COPY and MOVE methods.

    *) Bugfix: the ngx_http_realip_module set garbage for requests passed
       via keep-alive connection.

    *) Bugfix: nginx did not work on big-endian 64-bit Linux.
       Thanks to Andrei Nigmatulin.

    *) Bugfix: now when IMAP/POP3 proxy receives too long command it closes
       the connection right away, but not after timeout.

    *) Bugfix: if the "epoll" method was used and a client closed a
       connection prematurely, then nginx closed the connection after a send
       timeout only.

    *) Bugfix: nginx could not be built on platforms different from i386,
       amd64, sparc, and ppc; the bug had appeared in 0.5.8.


Changes with nginx 0.5.12                                        12 Feb 2007

    *) Bugfix: nginx could not be built on platforms different from i386,
       amd64, sparc, and ppc; the bug had appeared in 0.5.8.

    *) Bugfix: a segmentation fault might occur in worker process if the
       temporary files were used while working with FastCGI server; the bug
       had appeared in 0.5.8.

    *) Bugfix: a segmentation fault might occur in worker process if the
       $fastcgi_script_name variable was logged.

    *) Bugfix: ngx_http_perl_module could not be built on Solaris.


Changes with nginx 0.5.11                                        05 Feb 2007

    *) Feature: now configure detects system PCRE library in MacPorts.
       Thanks to Chris McGrath.

    *) Bugfix: the response was incorrect if several ranges were requested;
       the bug had appeared in 0.5.6.

    *) Bugfix: the "create_full_put_path" directive could not create the
       intermediate directories if no "dav_access" directive was set.
       Thanks to Evan Miller.

    *) Bugfix: the "0" response code might be logged in the access_log
       instead of the "400" and "408" error codes.

    *) Bugfix: a segmentation fault might occur in worker process if nginx
       was built with -O2 optimization.


Changes with nginx 0.5.10                                        26 Jan 2007

    *) Bugfix: while online executable file upgrade the new master process
       did not inherit the listening sockets; the bug had appeared in 0.5.9.

    *) Bugfix: a segmentation fault might occur in worker process if nginx
       was built with -O2 optimization; the bug had appeared in 0.5.1.


Changes with nginx 0.5.9                                         25 Jan 2007

    *) Change: now the ngx_http_memcached_module uses the $memcached_key
       variable value as a key.

    *) Feature: the $memcached_key variable.

    *) Feature: the "clean" parameter in the "client_body_in_file_only"
       directive.

    *) Feature: the "env" directive.

    *) Feature: the "sendfile" directive is available inside the "if" block.

    *) Feature: now on failure of the writing to access nginx logs a message
       to error_log, but not more often than once a minute.

    *) Bugfix: the "access_log off" directive did not always turn off the
       logging.


Changes with nginx 0.5.8                                         19 Jan 2007

    *) Bugfix: a segmentation fault might occur if
       "client_body_in_file_only on" was used and a request body was small.

    *) Bugfix: a segmentation fault occurred if
       "client_body_in_file_only on" and "proxy_pass_request_body off" or
       "fastcgi_pass_request_body off" directives were used, and nginx
       switched to a next upstream.

    *) Bugfix: if the "proxy_buffering off" directive was used and a client
       connection was non-active, then the connection was closed after send
       timeout; the bug had appeared in 0.4.7.

    *) Bugfix: if the "epoll" method was used and a client closed a
       connection prematurely, then nginx closed the connection after a send
       timeout only.

    *) Bugfix: the "[alert] zero size buf" error when FastCGI server was
       used.

    *) Bugfixes in the "limit_zone" directive.


Changes with nginx 0.5.7                                         15 Jan 2007

    *) Feature: the ssl_session_cache storage optimization.

    *) Bugfixes in the "ssl_session_cache" and "limit_zone" directives.

    *) Bugfix: the segmentation fault was occurred on start or while
       reconfiguration if the "ssl_session_cache" or "limit_zone" directives
       were used on 64-bit platforms.

    *) Bugfix: a segmentation fault occurred if the "add_before_body" or
       "add_after_body" directives were used and there was no "Content-Type"
       header line in response.

    *) Bugfix: the OpenSSL library was always built with the threads
       support.
       Thanks to Den Ivanov.

    *) Bugfix: the PCRE-6.5+ library and the icc compiler compatibility.


Changes with nginx 0.5.6                                         09 Jan 2007

    *) Change: now the ngx_http_index_module ignores all methods except the
       GET, HEAD, and POST methods.

    *) Feature: the ngx_http_limit_zone_module.

    *) Feature: the $binary_remote_addr variable.

    *) Feature: the "ssl_session_cache" directives of the
       ngx_http_ssl_module and ngx_imap_ssl_module.

    *) Feature: the DELETE method supports recursive removal.

    *) Bugfix: the byte-ranges were transferred incorrectly if the
       $r->sendfile() was used.


Changes with nginx 0.5.5                                         24 Dec 2006

    *) Change: the -v switch does not show compiler information any more.

    *) Feature: the -V switch.

    *) Feature: the "worker_rlimit_core" directive supports size in K, M,
       and G.

    *) Bugfix: the nginx.pm module now could be installed by an unprivileged
       user.

    *) Bugfix: a segmentation fault might occur if the $r->request_body or
       $r->request_body_file methods were used.

    *) Bugfix: the ppc platform specific bugs.


Changes with nginx 0.5.4                                         15 Dec 2006

    *) Feature: the "perl" directive may be used inside the "limit_except"
       block.

    *) Bugfix: the ngx_http_dav_module required the "Date" request header
       line for the DELETE method.

    *) Bugfix: if one only parameter was used in the "dav_access" directive,
       then nginx might report about configuration error.

    *) Bugfix: a segmentation fault might occur if the $host variable was
       used; the bug had appeared in 0.4.14.


Changes with nginx 0.5.3                                         13 Dec 2006

    *) Feature: the ngx_http_perl_module supports the $r->status,
       $r->log_error, and $r->sleep methods.

    *) Feature: the $r->variable method supports variables that do not exist
       in nginx configuration.

    *) Bugfix: the $r->has_request_body method did not work.


Changes with nginx 0.5.2                                         11 Dec 2006

    *) Bugfix: if the "proxy_pass" directive used the name of the "upstream"
       block, then nginx tried to resolve the name; the bug had appeared in
       0.5.1.


Changes with nginx 0.5.1                                         11 Dec 2006

    *) Bugfix: the "post_action" directive might not run after a
       unsuccessful completion of a request.

    *) Workaround: for Eudora for Mac; the bug had appeared in 0.4.11.
       Thanks to Bron Gondwana.

    *) Bugfix: if the "upstream" name was used in the "fastcgi_pass", then
       the message "no port in upstream" was issued; the bug had appeared in
       0.5.0.

    *) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the
       same servers but different ports, then these directives uses the
       first described port; the bug had appeared in 0.5.0.

    *) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the
       unix domain sockets, then these directives used first described
       socket; the bug had appeared in 0.5.0.

    *) Bugfix: ngx_http_auth_basic_module ignored the user if it was in the
       last line in the password file and there was no the carriage return,
       the line feed, or the ":" symbol after the password.

    *) Bugfix: the $upstream_response_time variable might be equal to
       "0.000", although response time was more than 1 millisecond.


Changes with nginx 0.5.0                                         04 Dec 2006

    *) Change: the parameters in the "%name" form in the "log_format"
       directive are not supported anymore.

    *) Change: the "proxy_upstream_max_fails",
       "proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails",
       "fastcgi_upstream_fail_timeout", "memcached_upstream_max_fails", and
       "memcached_upstream_fail_timeout" directives are not supported
       anymore.

    *) Feature: the "server" directive in the "upstream" context supports
       the "max_fails", "fail_timeout", and "down" parameters.

    *) Feature: the "ip_hash" directive inside the "upstream" block.

    *) Feature: the WAIT status in the "Auth-Status" header line of the
       IMAP/POP3 proxy authentication server response.

    *) Bugfix: nginx could not be built on 64-bit platforms; the bug had
       appeared in 0.4.14.


Changes with nginx 0.4.14                                        27 Nov 2006

    *) Feature: the "proxy_pass_error_message" directive in IMAP/POP3 proxy.

    *) Feature: now configure detects system PCRE library on FreeBSD, Linux,
       and NetBSD.

    *) Bugfix: ngx_http_perl_module did not work with perl built with the
       threads support; the bug had appeared in 0.3.38.

    *) Bugfix: ngx_http_perl_module did not work if perl was called
       recursively.

    *) Bugfix: nginx ignored a host name in a request line.

    *) Bugfix: a worker process may got caught in an endless loop, if a
       FastCGI server sent too many data to the stderr.

    *) Bugfix: the $upstream_response_time variable may be negative if the
       system time was changed backward.

    *) Bugfix: the "Auth-Login-Attempt" parameter was not sent to IMAP/POP3
       proxy authentication server when POP3 was used.

    *) Bugfix: a segmentation fault might occur if connect to IMAP/POP3
       proxy authentication server failed.


Changes with nginx 0.4.13                                        15 Nov 2006

    *) Feature: the "proxy_pass" directive may be used inside the
       "limit_except" block.

    *) Feature: the "limit_except" directive supports all WebDAV methods.

    *) Bugfix: if the "add_before_body" directive was used without the
       "add_after_body" directive, then a response did not transferred
       complete.

    *) Bugfix: a large request body did not receive if the epoll method and
       the deferred accept() were used.

    *) Bugfix: a charset could not be set for ngx_http_autoindex_module
       responses; the bug had appeared in 0.3.50.

    *) Bugfix: the "[alert] zero size buf" error when FastCGI server was
       used;

    *) Bugfix: the --group= configuration parameter was ignored.
       Thanks to Thomas Moschny.

    *) Bugfix: the 50th subrequest in SSI response did not work; the bug had
       appeared in 0.3.50.


Changes with nginx 0.4.12                                        31 Oct 2006

    *) Feature: the ngx_http_perl_module supports the $r->variable method.

    *) Bugfix: if a big static file was included using SSI in a response,
       then the response may be transferred incomplete.

    *) Bugfix: nginx did not omit the "#fragment" part in URI.


Changes with nginx 0.4.11                                        25 Oct 2006

    *) Feature: the POP3 proxy supports the AUTH LOGIN PLAIN and CRAM-MD5.

    *) Feature: the ngx_http_perl_module supports the $r->allow_ranges
       method.

    *) Bugfix: if the APOP was enabled in the POP3 proxy, then the USER/PASS
       commands might not work; the bug had appeared in 0.4.10.


Changes with nginx 0.4.10                                        23 Oct 2006

    *) Feature: the POP3 proxy supports the APOP command.

    *) Bugfix: if the select, poll or /dev/poll methods were used, then
       while waiting authentication server response the IMAP/POP3 proxy
       hogged CPU.

    *) Bugfix: a segmentation fault might occur if the $server_addr variable
       was used in the "map" directive.

    *) Bugfix: the ngx_http_flv_module did not support the byte ranges for
       full responses; the bug had appeared in 0.4.7.

    *) Bugfix: nginx could not be built on Debian amd64; the bug had
       appeared in 0.4.9.


Changes with nginx 0.4.9                                         13 Oct 2006

    *) Feature: the "set" parameter in the "include" SSI command.

    *) Feature: the ngx_http_perl_module now tests the nginx.pm module
       version.


Changes with nginx 0.4.8                                         11 Oct 2006

    *) Bugfix: if an "include" SSI command were before another "include" SSI
       command with a "wait" parameter, then the "wait" parameter might not
       work.

    *) Bugfix: the ngx_http_flv_module added the FLV header to the full
       responses.
       Thanks to Alexey Kovyrin.


Changes with nginx 0.4.7                                         10 Oct 2006

    *) Feature: the ngx_http_flv_module.

    *) Feature: the $request_body_file variable.

    *) Feature: the "charset" and "source_charset" directives support the
       variables.

    *) Bugfix: if an "include" SSI command were before another "include" SSI
       command with a "wait" parameter, then the "wait" parameter might not
       work.

    *) Bugfix: if the "proxy_buffering off" directive was used or while
       working with memcached the connections might not be closed on
       timeout.

    *) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64,
       and ppc64.


Changes with nginx 0.4.6                                         06 Oct 2006

    *) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64,
       and ppc64.

    *) Bugfix: nginx sent the chunked response for HTTP/1.1 request,
       if its length was set by text string in the
       $r->headers_out("Content-Length", ...) method.

    *) Bugfix: after redirecting error by an "error_page" directive any
       ngx_http_rewrite_module directive returned this error code; the bug
       had appeared in 0.4.4.


Changes with nginx 0.4.5                                         02 Oct 2006

    *) Bugfix: nginx could not be built on Linux and Solaris; the bug had
       appeared in 0.4.4.


Changes with nginx 0.4.4                                         02 Oct 2006

    *) Feature: the $scheme variable.

    *) Feature: the "expires" directive supports the "max" parameter.

    *) Feature: the "include" directive supports the "*" mask.
       Thanks to Jonathan Dance.

    *) Bugfix: the "return" directive always overrode the "error_page"
       response code redirected by the "error_page" directive.

    *) Bugfix: a segmentation fault occurred if zero-length body was in PUT
       method.

    *) Bugfix: the redirect was changed incorrectly if the variables were
       used in the "proxy_redirect" directive.


Changes with nginx 0.4.3                                         26 Sep 2006

    *) Change: now the 499 error could not be redirected using an
       "error_page" directive.

    *) Feature: the Solaris 10 event ports support.

    *) Feature: the ngx_http_browser_module.

    *) Bugfix: a segmentation fault may occur while redirecting the 400
       error to the proxied server using a "proxy_pass" directive.

    *) Bugfix: a segmentation fault occurred if an unix domain socket was
       used in a "proxy_pass" directive; the bug had appeared in 0.3.47.

    *) Bugfix: SSI did work with memcached and nonbuffered responses.

    *) Workaround: of the Sun Studio PAUSE hardware capability bug.


Changes with nginx 0.4.2                                         14 Sep 2006

    *) Bugfix: the O_NOATIME flag support on Linux was canceled; the bug had
       appeared in 0.4.1.


Changes with nginx 0.4.1                                         14 Sep 2006

    *) Bugfix: the DragonFlyBSD compatibility.
       Thanks to Pavel Nazarov.

    *) Workaround: of bug in 64-bit Linux sendfile(), when file is more than
       2G.

    *) Feature: now on Linux nginx uses O_NOATIME flag for static requests.
       Thanks to Yusuf Goolamabbas.


Changes with nginx 0.4.0                                         30 Aug 2006

    *) Change in internal API: the HTTP modules initialization was moved
       from the init module phase to the HTTP postconfiguration phase.

    *) Change: now the request body is not read beforehand for the
       ngx_http_perl_module: it's required to start the reading using the
       $r->has_request_body method.

    *) Feature: the ngx_http_perl_module supports the DECLINED return code.

    *) Feature: the ngx_http_dav_module supports the incoming "Date" header
       line for the PUT method.

    *) Feature: the "ssi" directive is available inside the "if" block.

    *) Bugfix: a segmentation fault occurred if there was an "index"
       directive with variables and the first index name was without
       variables; the bug had appeared in 0.1.29.


Changes with nginx 0.3.61                                        28 Aug 2006

    *) Change: now the "tcp_nodelay" directive is turned on by default.

    *) Feature: the "msie_refresh" directive.

    *) Feature: the "recursive_error_pages" directive.

    *) Bugfix: the "rewrite" directive returned incorrect redirect, if the
       redirect had the captured escaped symbols from original URI.


Changes with nginx 0.3.60                                        18 Aug 2006

    *) Bugfix: a worker process may got caught in an endless loop while an
       error redirection; the bug had appeared in 0.3.59.


Changes with nginx 0.3.59                                        16 Aug 2006

    *) Feature: now is possible to do several redirection using the
       "error_page" directive.

    *) Bugfix: the "dav_access" directive did not support three parameters.

    *) Bugfix: the "error_page" directive did not changes the "Content-Type"
       header line after the "X-Accel-Redirect" was used; the bug had
       appeared in 0.3.58.


Changes with nginx 0.3.58                                        14 Aug 2006

    *) Feature: the "error_page" directive supports the variables.

    *) Change: now the procfs interface instead of sysctl is used on Linux.

    *) Change: now the "Content-Type" header line is inherited from first
       response when the "X-Accel-Redirect" was used.

    *) Bugfix: the "error_page" directive did not redirect the 413 error.

    *) Bugfix: the trailing "?" did not remove old arguments if no new
       arguments were added to a rewritten URI.

    *) Bugfix: nginx could not run on 64-bit FreeBSD 7.0-CURRENT.


Changes with nginx 0.3.57                                        09 Aug 2006

    *) Feature: the $ssl_client_serial variable.

    *) Bugfix: in the "!-e" operator of the "if" directive.
       Thanks to Andrian Budanstov.

    *) Bugfix: while a client certificate verification nginx did not send to
       a client the required certificates information.

    *) Bugfix: the $document_root variable did not support the variables in
       the "root" directive.


Changes with nginx 0.3.56                                        04 Aug 2006

    *) Feature: the "dav_access" directive.

    *) Feature: the "if" directive supports the "-d", "!-d", "-e", "!-e",
       "-x", and "!-x" operators.

    *) Bugfix: a segmentation fault occurred if a request returned a
       redirect and some sent to client header lines were logged in the
       access log.


Changes with nginx 0.3.55                                        28 Jul 2006

    *) Feature: the "stub" parameter in the "include" SSI command.

    *) Feature: the "block" SSI command.

    *) Feature: the unicode2nginx script was added to contrib.

    *) Bugfix: if a "root" was specified by variable only, then the root was
       relative to a server prefix.

    *) Bugfix: if the request contained "//" or "/./" and escaped symbols
       after them, then the proxied request was sent unescaped.

    *) Bugfix: the $r->header_in("Cookie") of the ngx_http_perl_module now
       returns all "Cookie" header lines.

    *) Bugfix: a segmentation fault occurred if
       "client_body_in_file_only on" was used and nginx switched to a next
       upstream.

    *) Bugfix: on some condition while reconfiguration character codes
       inside the "charset_map" may be treated invalid; the bug had appeared
       in 0.3.50.


Changes with nginx 0.3.54                                        11 Jul 2006

    *) Feature: nginx now logs the subrequest information to the error log.

    *) Feature: the "proxy_next_upstream", "fastcgi_next_upstream", and
       "memcached_next_upstream" directives support the "off" parameter.

    *) Feature: the "debug_connection" directive supports the CIDR address
       form.

    *) Bugfix: if a response of proxied server or FastCGI server was
       converted from UTF-8 or back, then it may be transferred incomplete.

    *) Bugfix: the $upstream_response_time variable had the time of the
       first request to a backend only.

    *) Bugfix: nginx could not be built on amd64 platform; the bug had
       appeared in 0.3.53.


Changes with nginx 0.3.53                                        07 Jul 2006

    *) Change: the "add_header" directive adds the string to 204, 301, and
       302 responses.

    *) Feature: the "server" directive in the "upstream" context supports
       the "weight" parameter.

    *) Feature: the "server_name" directive supports the "*" wildcard.

    *) Feature: nginx supports the request body size more than 2G.

    *) Bugfix: if a client was successfully authorized using "satisfy_any
       on", then anyway the message "access forbidden by rule" was written
       in the log.

    *) Bugfix: the "PUT" method may erroneously not create a file and return
       the 409 code.

    *) Bugfix: if the IMAP/POP3 backend returned an error, then nginx
       continued proxying anyway.


Changes with nginx 0.3.52                                        03 Jul 2006

    *) Change: the ngx_http_index_module behavior for the "POST /" requests
       is reverted to the 0.3.40 version state: the module now does not
       return the 405 error.

    *) Bugfix: the worker process may got caught in an endless loop if the
       limit rate was used; the bug had appeared in 0.3.37.

    *) Bugfix: ngx_http_charset_module logged "unknown charset" alert, even
       if the recoding was not needed; the bug had appeared in 0.3.50.

    *) Bugfix: if a code response of the PUT request was 409, then a
       temporary file was not removed.


Changes with nginx 0.3.51                                        30 Jun 2006

    *) Bugfix: the "<" symbols might disappeared some conditions in the SSI;
       the bug had appeared in 0.3.50.


Changes with nginx 0.3.50                                        28 Jun 2006

    *) Change: the "proxy_redirect_errors" and "fastcgi_redirect_errors"
       directives was renamed to the "proxy_intercept_errors" and
       "fastcgi_intercept_errors" directives.

    *) Feature: the ngx_http_charset_module supports the recoding from the
       single byte encodings to the UTF-8 encoding and back.

    *) Feature: the "X-Accel-Charset" response header line is supported in
       proxy and FastCGI mode.

    *) Bugfix: the "\" escape symbol in the "\"" and "\'" pairs in the SSI
       command was removed only if the command also has the "$" symbol.

    *) Bugfix: the "
                    

你可能感兴趣的:(高性能网站)