Phalcon\Acl::allow and Phalcon\Acl::deny methods. This will mean any resource and action respectively.Phalcon\Acl::addRole tells from which role inheritance access.Phalcon\Acl is able to send events to event manager, there are two events - beforeCheckAccess and afterCheckAccess.Phalcon\Acl\AdapterInterface to implement your own acl adapter.