Redirect Request ending in .html/ to .html
RewriteEngine On
RewriteBase /
RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /(.+)\.html/\ HTTP/
RewriteRule ^(.+)\.html/$ http://www.askapache.com/$1.html [R=301,L]
Or a lower quality alternative
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_URI} ^[^\.]+\.html/$
RewriteRule ^(.*)\.html.*$ http://www.askapache.com/$1.html [R=301,L]
Redirect All Feeds to Feedburner’s MyBrand
RewriteEngine On
RewriteBase /
RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /(feed|wp-atom|wp-feed|wp-rss|wp-rdf|wp-commentsrss)(.*)\ HTTP/ [NC,OR]
RewriteCond %{QUERY_STRING} ^feed [NC]
RewriteCond %{HTTP_USER_AGENT} !^(FeedBurner|FeedValidator|talkr) [NC]
RewriteRule .* http://feeds.askapache.com/apache/htaccess? [R=307,L]
Cookie Manipulation and Tests with mod_rewrite
Set a Cookie based on Requested directory
This code sends the Set-Cookie header to create a cookie on the client with the value of a matching item in 2nd parantheses.
RewriteEngine On RewriteBase / RewriteRule ^(.*)(de|es|fr|it|ja|ru|en)/$ - [co=lang:$2:.askapache.com:7200:/]
Get Cookie Value
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_COOKIE} lang=([^;]+) [NC]
RewriteRule ^(.*)$ /$1?cookie-value=%1 [R,QSA,L]
Rewrite Based on Cookie Value
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_COOKIE} lang=([^;]+) [NC]
RewriteRule ^(.*)$ /$1?lang=%1 [NC,L,QSA]
Redirect If Cookie Not Set
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_COOKIE} !^.*cookie-name.*$ [NC]
RewriteRule .* /login-error/set-cookie-first.cgi [NC,L]
Setting Environment Variables
Set lang var to Accept-Language Header
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP:Accept-Language} ^.*(de|es|fr|it|ja|ru|en).*$ [NC]
RewriteRule ^(.*)$ - [env=lang:%1]
Set lang var to URI
RewriteEngine On
RewriteBase /
RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /(.+)/(de|es|fr|it|ja|ru|en)/\ HTTP/ [NC]
RewriteRule ^(.*)$ - [env=lang:%2]
Using the Environment Variable
Send Content-Language Header based on environment variable
Header set Content-Language "%{lang}e" env=lang
Set a Cookie with env variable value only if has value
Header set Set-Cookie "language=%{lang}e; path=/;" env=lang
Echo all Headers back!
Header echo ^.*
Mod_Security .htaccess Examples
ModSecurity is an open source intrusion detection and prevention engine for web applications (or a web application firewall). Operating as an Apache Web server module or standalone, the purpose of ModSecurity is to increase web application security, protecting web applications from known and unknown attacks.
Turn OFF mod_security
<IfModule mod_security.c> SecFilterEngine Off SecFilterScanPOST Off </IfModule>
Reject Requests with Status 500
<IfModule mod_security.c> # Reject requests with status 500 SecFilterDefaultAction "deny,log,status:500" </IfModule>
http://www.askapache.com/htaccess/htaccess-fresh.html