Originally Posted by
SDQBound
The Next Generation firewalls will detect the applications sending/receiving traffic through port 443 and will allow the Administrators to block specific applications.
How do you do traffic inspection on 443 without causing invalid certificate security warnings? You can look at the destination addresses, sure. I'm not primarily an Apple guy, so dunno if FaceTime always goes through the same set of servers where they could block 443 to a certain IP range.