in Some Scenarios , You May Need to Block Facebook Social Website or some others ...
This articles can help you to use some Technical Task to Block Them .
Use Content :
Mikrotik Firewall Have a Good Funection Base on Content , In This way mikrotik can Monitor to the Packets and then if see Strings in Content Field and Match Them And Take Action on Them .
Some Examples Of This Facility Of Content Filtering Is [ Blocking Web Pages Base Url's , Blocking Files Base Names , Block Files Base Extensions , Etc ]
Example : Block Facebook Webpage Base Content String .
Firewall Filter
Chain : Forward
Protocol : TCP
Port : 80,443
Content : Facebook
Action : Drop
Exploration : In Any Request Of Users , Mikrotik Match Facebook String , He Match That Packets...