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* This file is part of the Symfony package.
* (c) Fabien Potencier <>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
namespace Symfony\Component\Security\Http\Authentication;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
* Interface for custom authentication failure handlers.
* If you want to customize the failure handling process, instead of
* overwriting the respective listener globally, you can set a custom failure
* handler which implements this interface.
* @author Johannes M. Schmitt <>
interface AuthenticationFailureHandlerInterface
* This is called when an interactive authentication attempt fails. This is
* called by authentication listeners inheriting from
* AbstractAuthenticationListener.
* @return Response The response to return, never null
public function onAuthenticationFailure(Request $request, AuthenticationException $exception);