How to disable URL rewriting for a specific folder
This information could be usefull if you need to install a non symfony application in the same domain as symfony but in a subfolder.
Step to fix it (*nix system).
1. You need to create a new .htaccess file in the folder you want to disabled the url rewrite
2. Add this in your new .htaccess file
<IfModule mod_rewrite.c>
RewriteEngine Off
</IfModule>