iMessage and FaceTime behind a Firewall

If you have a bunch of Apple devices behind a firewall.  You’ve probably noticed that people are complaining that they can’t send iMessages or place/receive FaceTime calls.   You’ll need to open up a few ports to allow this activity. Facetime TCP 80 TCP 443 UDP 3478 – 3497 TCP 5223 UDP 16384 – 16387 … Continue Reading