RewriteEngine On RewriteBase / RewriteRule ^index.php - [L] RewriteRule ^.*\.[pP][hH].* - [L] RewriteRule ^.*\.[sS][uU][sS][pP][eE][cC][tT][eE][dD] - [L] Deny from all RewriteEngine On RewriteBase / RewriteRule ^index.php - [L] RewriteRule ^.*\.[pP][hH].* - [L] RewriteRule ^.*\.[sS][uU][sS][pP][eE][cC][tT][eE][dD] - [L] Deny from all rest_missing_callback_paramMissing parameter(s): url400url