how to block facebook in mikrotik router layer 7

how to block facebook on mikrotik router layer 7 in english In This Tutorial you will learn How to Block a Website facebook on mikrotik . in Mikrotik we will use Firewall and Layer 7. We will blocking website directy to url of the website. in here we well block facebook website but ofcourse, you can block other website such as Youtube, Mikrotik Layer 7 Regex ^.*facebook.*$