How to change port remote desktop connection

You need to change the Remote Desktop Protocol (RDP) port from the default, which is 3389, to a non-standard one to improve security by making your system less vulnerable to automated attacks

Step 1: Change the port in the registry

• Press Windows + R, type regedit, and press Enter to open the Registry Editor.

• Navigate to the following key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp.

• In the right-hand pane, double-click on PortNumber.

• In the pop-up window, select the "Decimal" base.

• Enter your new port number (e.g., 3390) and click "OK".

• Close the Registry Edito

Step 2: Open the new port in the firewall 

• Open "Windows Firewall with Advanced Security".

• Go to "Inbound Rules" and click "New Rule...".

• Select "Port" and click "Next".

• Choose "TCP" and enter your new port number in the "Specific local ports" field, then click "Next".

• Select "Allow the connection" and click "Next".

• Choose when the rule applies (Domain, Private, Public) and click "Next".

• Give the rule a name (e.g., "RDP port 3390") and click "Finish". 

Step 3: Restart and connect 

• Restart your computer for the changes to take effect.

• To connect, you will need to specify the new port. In the Remote Desktop Connection client, enter the IP address or computer name followed by a colon and the new port number (e.g., 192.168.1.100:3390)

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