<VirtualHost *:80>
  ServerName example
  ServerAdmin webmaster@example.com
  DocumentRoot "/var/www/app/webroot"

  ErrorDocument 403 /index.php
  ErrorDocument 404 /index.php

  <Directory />
    Options FollowSymLinks
    AllowOverride None
    Order deny,allow
    Allow from all
  </Directory>

  <Directory "/var/www/app/webroot/">
    Options -Indexes FollowSymLinks

    RewriteEngine On
    RewriteBase /

    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteRule ^(.*)$ index.php?url=$1 [QSA,L]
  </Directory>
</VirtualHost>