Why Port 3389 is a No-No for Remote Desktop - itsasap.com
3389 port is used for Port 3389 is used for Windows Remote Desktop and Remote Assistance connections (RDP), as well as some security vulnerabilities and applications. Learn more about the protocol, service, threats, and references for port 3389..3389 port not listening
What Is Port 3389 and Why Should You Care? Port 3389 is the default port used by Remote Desktop Protocol (RDP), the built-in Windows feature that lets you access and control your computer or server remotely. Imagine sitting at your home office and needing to jump into your work computer across town.3389 port rdp
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. In 2012 Microsoft introduced UDP transport of RDP. Depending on your network this can drastically improve performance of your RDP session. See this link by Microsoft for a much more detailed explanation: https ...
