Remote Desktop Protocol (RDP) | CQR

3389 port service Port 3389 is the default port used by RDP to communicate between the client and the server. It is a TCP port, which means it uses a reliable and ordered data transmission method..

3389 port not listening  RDP listens on TCP port 3389 and udp port 3389. Previously, the RDP software was called Terminal Services client but now it’s called Remote Desktop Connection. Windows comes with a remote desktop client that can be used to access the complete Windows Desktop environment remotely. It’s very useful for people who use multiple computers for work.

3389 com  Changing the Default RDP Port (3389) on Windows 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.