Search for Remote Desktop from the list.Click the link Allow an app through firewall.Go to Update & Security –> Windows Security and click on Firewall & network protection from the right-hand listing.Go to Windows Settings (Windows key + i).Check if port 3389 is open and listening Allow RDP port through Windows Firewall.Allow RDP port through Router (using NAT Translation).Allow RDP port through Windows Firewall.
Let’s talk about how to open port 3389 in Windows Firewall and the router. If you want to make it accessible over the Internet (which is not safe), the RDP port should be forwarded through the main Internet router to work properly. This port should be open through Windows Firewall to make it RDP accessible within the local area network. Simply put, the default port for using the Remote Desktop Protocol is 3389. You can open the Remote Desktop Connection client by going to Run –> mstsc. One of our readers has asked about the RDP port and how to tweak it for security. It’s very useful for people who use multiple computers for work. Windows comes with a remote desktop client that can be used to access the complete Windows Desktop environment remotely.
Previously, the RDP software was called Terminal Services client but now it’s called Remote Desktop Connection. RDP listens on TCP port 3389 and udp port 3389. Remote Desktop Protocol (RDP) is a proprietary protocol developed by Microsoft to remotely connect to a Windows system using a graphical user interface.
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