3389 port However, opening port 3389 also exposes your PC to potential attacks from hackers who can scan for open ports and try to break into your system. How to Open Port 3389 on Windows Firewall.
port 3389 Port 3389 is the assigned port for Remote Desktop Protocol, which allows users to access and take control of a different computer. But with so many security concerns, should you even use it?
3389 port Remote Desktop Protocol (RDP) is a proprietary protocol developed by Microsoft to remotely connect to a Windows system using a graphical user interface. RDP is built into Windows by default. 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.