.htaccess

RewriteEngine on

RewriteRule ^setup/upgrade-guides/upgrade-2-1-to-2-2-0$ http://docs.pyrocms.com/2.2/manual/reference/upgrade-guides/upgrade-2-1-to-2-2-0 [R=301,L]

# Don't try to rewrite images, css, etc
RewriteRule ^(.+)\.(\d+)\.(js|css|png|jpg|gif)$ $1.$3 [L]

# Send request via index.php (again, not if its a real file or folder)
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

# Don't try if its an uploaded asset
RewriteCond $1 !^(assets/)

RewriteRule ^(.*)$ index.php/$1 [L]