禁止解析php

<Directory /data/www/data> 

php_admin_flag engine off 

<filesmatch "(.*)php"> 

Order deny,allow 

Deny from all 

</filesmatch> 

</Directory>

禁止指定user_agent

<IfModule mod_rewrite.c> 

RewriteEngine on RewriteCond %{HTTP_USER_AGENT} ^*Firefox/4.0* [NC,OR] 

RewriteCond %{HTTP_USER_AGENT} ^*Tomato Bot/1.0* [NC] 

RewriteRule .* - [F] 

</IfModule>

Apache通过rewrite限制某个目录

<IfModule mod_rewrite.c> 

RewriteEngine on RewriteCond %{REQUEST_URI} ^.*/tmp/* [NC]

RewriteRule .* - [F] 

</IfModule>