RDP Network Ports: TCP vs UDP - TSplus.net

5(1589)

3389 port tcp or udp You should open TCP and UDP 3389 (unless you specified a custom port). While the accepted answer (only TCP 3389) used to be correct at the time, it is no longer up to date..

3389 port used for Likewise, what is port 3389 commonly used for? Port 3389 Basics TCP Port 3389 is used for the Windows Remote Desktop Protocol (RDP) and is also sometimes used by Windows Terminal Server. You may choose to allow or open this port in Windows Firewall to give another computer, either on the same network or another network, access to your computer.

3389 port forwarding This article provides a comprehensive guide to RDP network ports, with a focus on TCP and UDP protocols.