tenginx1.4.2 version

nginx.conf

  limit_conn_zone $binary_remote_addr zone=conn_limit_per_ip:10m;
  limit_req_zone $binary_remote_addr zone=req_limit_per_ip:10m rate=1r/s;
geo $white_ip  {
    ranges;
    default        0;
    60.126.39.182-60.126.39.184     1;
    58.112.221.179-58.112.221.190 1;
    141.130.163.153-141.130.163.154 1;
}
limit_req_whitelist geo_var_name=white_ip geo_var_value=1;
limit_req_zone $binary_remote_addr zone=white_ip:100m rate=1r/s;
include /usr/local/webserver/nginx/conf/vhosts/*.conf;
}

 

vhosts(控制下面几个php文件）

location   ~*^/(home|forum|portal|forum|forumdisplay|index).php$ {
 root /htdoc/bbs.123.com/wwwroot;
limit_conn conn_limit_per_ip 2;
    limit_req zone=white_ip  burst=3 nodelay;
limit_req_whitelist geo_var_name=white_ip geo_var_value=1;
 fastcgi_pass  127.0.0.1:9000;
      fastcgi_index index.php;
      include fcgi.conf;

}

 

        location ~ ^/html/ {   //控制这个目录下面的文件
    limit_req zone=white_ip  burst=4 nodelay;
limit_req_whitelist geo_var_name=white_ip geo_var_value=1;
}

 

 location   ~*^/(home|forum|message_check|test).php$ {     /*当前目录下的文件受限制*/

 root /ht/hf/old.123.com;

limit_conn conn_limit_per_ip 2;

    limit_req zone=white_ip  burst=2 nodelay;

limit_req_whitelist geo_var_name=white_ip geo_var_value=1;

 fastcgi_pass  127.0.0.1:9000;

      fastcgi_index index.php;

      include fcgi.conf;

}

location ~* ^/(chushou)/.*\.php$ {       /*chushou目录下的文件受限制*/

limit_conn conn_limit_per_ip 2;

    limit_req zone=white_ip  burst=2 nodelay;

limit_req_whitelist geo_var_name=white_ip geo_var_value=1;

 fastcgi_pass  127.0.0.1:9000;

      fastcgi_index index.php;

      include fcgi.conf;

}

（感谢淘叔度指点）

白名单内的ip不受limit限制。