<IfModule mod_rewrite.c>
   SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1
   Options +FollowSymlinks -Multiviews
   RewriteEngine On

   RewriteCond %{REQUEST_FILENAME} !-d
   RewriteCond %{REQUEST_FILENAME} !-f
   RewriteCond %{REQUEST_URI} !^(.*)\.(gif|jpg|jpeg|png|swf|mp4)$ [NC]
   RewriteRule ^(.*)$ index.php?s=/$1 [QSA,PT,L]
 </IfModule>