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Hello,
I was reviewing this Technet forum thread in addition to other articles, and from what I understand, I do not need to set up the firewall rules on my external firewall for my RD Gateway server as a terminal server(TCP port 3389), but only as a web server(TCP port 443 and possibly UDP port 3391).
"Firewall rules for the path between the external network and the perimeter network (Ports that need to be opened on the external firewall):
· Port TCP:443 should be opened for allowing HTTPS traffic from the client sitting on the Internet to the RD Gateway server in the perimeter network.
"
https://social.technet.microsoft.com/Forums/windows/en-US/a241a5be-e39d-4dfc-a513-e4f83c4dc906/rd-gateway-ports-and-certificates?forum=winserverTS
This article adds UDP port 3391 in addition to port 443:
https://blog.alschneiter.com/2015/10/28/rds-rd-gateway-ports/
Please clarify. thank you,
Brian
TechNet forum original post link:
https://social.technet.microsoft.com/Forums/windowsserver/en-US/5ece1bf6-52d2-4761-970e-28a69fb0a964/rd-gateway-firewall-setup-question?forum=winserverTS
