Understanding Port 3389: Uses, Risks & Protections | Group-IB

3389 port number Port 3389 is used for Windows Remote Desktop and Remote Assistance connections (RDP) and is vulnerable to Denial of Service Attack. It is also used by Zmodo Geovision and other applications. See IANA registration, references, and security scan..

m 3389 top  Simply put, the default port for using the Remote Desktop Protocol is 3389. This port should be open through Windows Firewall to make it RDP accessible within the local area network. 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.

3389 port rdp  Learn how port 3389 enables secure Remote Desktop Protocol (RDP) access. Discover its functions, security risks, and 8 best practices for maximizing protection.