By default, the security component retains the information of the last request

URI in a session variable named ``_security.main.target_path`` (with ``main`` being

the name of the firewall area, defined in the ``security.yml``). Upon a successful

login, the user is redirected to this path, as to help her continue from the last

known page she visited.

the name of the firewall, defined in ``security.yml``). Upon a successful

login, the user is redirected to this path, as to help her continue from the

lastknown page she visited.

On some occasions, this is unexpected. For example when the last request

URI was an HTTP POST against a route which is configured to allow only a POST