ShineISP uses ZfcUser to handle the user registration and authentication in the website.
ZfcUser is the user registration and authentication module for Zend Framework 2. Out of the box, ZfcUser works with Zend\Db, however alternative storage adapter modules are available (see below). ZfcUser provides the foundations for adding user authentication and registration to your ZF2 site. It is designed to be very simple and easy to extend.
In order to activate the module, you have to copy this file: