mod expire configuration sample

.htaccess

### Caching mod_headers + mod_expires
 
<IfModule mod_expires.c>
 
 # Turn on Expires and set default to now
 ExpiresActive On
 ExpiresDefault "now"
 
 # Set up caching on media files for 1 month
 <FilesMatch "\.(flv|ico|pdf|avi|mov|ppt|doc|mp3|wmv|wav|swf)$">
 ExpiresDefault "access plus 1 month"
 </FilesMatch>
 
 # Set up caching on images, CSS and JS files for 1 week
 <FilesMatch "\.(gif|jpg|jpeg|png|js|css)$">
 ExpiresDefault "access plus 1 week"
 </FilesMatch>
 
 # Set up 1 hour caching on commonly updated files
 <FilesMatch "\.(xml|xsl|html|htm|txt)$">
 ExpiresDefault "access plus 1 hour"
 </FilesMatch>
 
 # Force no caching for dynamic files
 <FilesMatch "\.(php|cgi|pl)$">
 ExpiresActive Off
 </FilesMatch>
</IfModule>
 
<IfModule mod_headers.c>
 
 # Remote ETag from headers
 Header unset ETag
 
 # Disable ETag for files
 FileETag None
 
 # Media files are catchable
 <FilesMatch "\.(flv|ico|pdf|avi|mov|ppt|doc|mp3|wmv|wav|swf)$">
 Header append Cache-Control "public"
 </FilesMatch>
 
 # Images, css and javascript files are catchable
 <FilesMatch "\.(gif|jpg|jpeg|png|js|css)$">
 Header append Cache-Control "public"
 </FilesMatch>
 
 # Commonly updated files are catchable
 <FilesMatch "\.(xml|html|htm|txt)$">
 Header append Cache-Control "public"
 </FilesMatch>
 
 # Force no caching for dynamic files
 <FilesMatch "\.(php|cgi|pl|htm)$">
 Header set Cache-Control "private, no-cache, no-store, proxy-revalidate, no-transform"
 Header set Pragma "no-cache"
 </FilesMatch>
 
</IfModule>