Quoto SimoX90. Potresti comunque provare questo .htaccess (preso da cakephp):
codice:
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteRule ^(.*)$ handler.php?m=$1 [QSA,L]
</IfModule>