I\'m developing a little application using Symfony2. I can access all routes with no problems in my dev environment:
http://symfony/app_dev.php/cp (\"symfony\" is in
As Crozin already mentioned in his comment, you have to rebuild cache to be able to see your changes. You need to rebuild production cache every time you change something in config, routing or templates. The safest way to do so is using php app/console cache:clear --env=prod --no-debug
(as CLI runs in dev mode with debugging enabled by default).