In this article, I will show you How to block a web on Sophos Firewall. You may block users from accessing facebook.com by creating a web policy and applying it to the firewall rule.
In this article, I will show you how to redirect traffic to the 2nd WAN with the Mikrotik router. On the router I have a basic configuration with 2 WANs with WAN 1 as the primary and WAN2 as the backup.