Port 3389 (tcp/udp) :: SpeedGuide

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port 3389 tcp 196 Remote Desktop requires TCP port 3389 to be open. Also, opening UDP port 3389 enables acceleration since RDP 8.0. It is possible to change the port used by the terminal server (or PC which is accessed), see this Microsoft support article: How to change the listening port for Remote Desktop..

sportsbet io Port 3389 is the default RDP port, making it an attractive target for hackers who know about its vulnerabilities. Never leave port 3389 exposed to the public Internet unless you cannot avoid it. In those cases, consider using a different port than 3389.

port 33890 Change port 3389 to an alternative port number to slow down and limit the risks. How to open the RDP port to enable Remote Desktop access to your device [2 cases] Since RDP port 3389 is the default for using the Remote Desktop, you need to open the port if you want to perform a remote session.