File: //usr/share/php/Symfony/Bundle/SecurityBundle/Resources/config/security_debug.xml
<?xml version="1.0" ?>
<container xmlns="http://symfony.com/schema/dic/services"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://symfony.com/schema/dic/services https://symfony.com/schema/dic/services/services-1.0.xsd">
<services>
<defaults public="false" />
<service id="debug.security.access.decision_manager" class="Symfony\Component\Security\Core\Authorization\TraceableAccessDecisionManager" decorates="security.access.decision_manager">
<argument type="service" id="debug.security.access.decision_manager.inner" />
</service>
<service id="debug.security.voter.vote_listener" class="Symfony\Bundle\SecurityBundle\EventListener\VoteListener">
<tag name="kernel.event_subscriber" />
<argument type="service" id="debug.security.access.decision_manager" />
</service>
<service id="debug.security.firewall" class="Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener">
<tag name="kernel.event_subscriber" />
<argument type="service" id="security.firewall.map" />
<argument type="service" id="event_dispatcher" />
<argument type="service" id="security.logout_url_generator" />
</service>
<service id="security.firewall" alias="debug.security.firewall" />
</services>
</container>