Understanding The Port Used By RDP For Remote Access

3389 port number used for By default, Windows uses TCP port 3389 to connect to the desktop of a remote computer via the RDP (Remote Desktop Protocol). This article describes how to change the default port number for the RDP service to a different port number for both desktop versions of Windows and Windows Server..

3389 port number  RDP port is a specific network port used for RDP connections, allowing remote access and control of a computer or server. By default, RDP uses TCP and typically operates over port 3389.

port 3389 rdp  If you don't want to use 3389 externally, open a different port externally, but point it to 3389 on the IP address of the machine you want RDC on. This is helpful for routing many systems with RDC.