Apache mod_rewrite and examples

What is mod_rewrite? Mod Rewrite allows you to change the URL that everyone sees when they visit your domain or a specific address. Just add the code to your .htaccess file or in Virtual Host area.

EXAMPLES

#Specify a default home page (index page) DirectoryIndex home.html

#Allow only specified IPs to access your site deny from all allow from 64.95.219.140 allow from 210.23.45.67

# Redirect all pages from olddomain.com # to newdomain.com Options +FollowSymLinks RewriteEngine on RewriteCond %{HTTP_HOST} ^www.olddomain.com$ [OR] RewriteCond %{HTTP_HOST} ^olddomain.com$ RewriteRule ^(.*)$ http://www.newdomain.com/$1 [R=301,L]

# Block traffic from multiple referrers RewriteEngine on Options +FollowSymlinks RewriteCond %{HTTP_REFERER} badsite\.com [NC,OR] RewriteCond %{HTTP_REFERER} badforum\.com [NC,OR] RewriteCond %{HTTP_REFERER} badsearchengine\.com [NC] RewriteRule .* - [F] #Do not allow these file types to be called RewriteEngine on RewriteRule .*\.(jpg|jpeg|gif|png|bmp|exe|swf)$ - [F,NC]

#Prevent subfolder loading. This goes # in htaccess for the primary domain RewriteCond %{HTTP_HOST} ^primary\.com$ [OR] RewriteCond %{HTTP_HOST} ^www\.primary\.com$ RewriteRule ^addon\.com\/?(.*)$ "http\:\/\/www\.addon\.com\/$1" [R=301,L]

# Never use www in the domain # Replace 'example.com' with your domain name RewriteEngine on RewriteCond %{HTTP_HOST} ^www\.(([a-z0-9_]+\.)?example\.com)$ [NC] RewriteRule .? http://%1%{REQUEST_URI} [R=301,L]

#Prevent subdomain name loading. #This goes in htaccess for the primary domain RewriteCond %{HTTP_HOST} ^subname\.primary\.com$ [OR] RewriteCond %{HTTP_HOST} ^www\.subname\.primary\.com$ RewriteRule ^(.*)$ "http\:\/\/www\.addon\.com\/$1" [R=301,L]

# Always use www in the domain # Replace 'example.com' with your domain name RewriteEngine on RewriteCond %{HTTP_HOST} ^([a-z.]+)?example\.com$ [NC] RewriteCond %{HTTP_HOST} !^www\. [NC] RewriteRule .? http://www.%1example.com%{REQUEST_URI} [R=301,L]

# Set a default home directory, (this subfolder always loads) # Replace 'folder' with your subfolder name <IfModule mod_rewrite.c> RewriteEngine On RewriteRule ^$ /folder/ [R=301,L] </IfModule>

# Rename a directory and force visitors to the new name # Replace 'old' with your old folder name # Replace 'new' with your new folder name RewriteEngine on RewriteRule ^/?old([a-z/.]*)$ /new$1 [R=301,L]

# Always use https for secure connections # Replace 'www.example.com' with your domain name # (as it appears on your SSL certificate) RewriteEngine On RewriteCond %{SERVER_PORT} 100 RewriteRule ^(.*)$ https://www.example.com/$1 [R=301,L]