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

3389 port is used for Port 3389 is used for Remote Desktop Protocol (RDP) connections that allow remote access to Windows machines. Keeping port 3389 open exposes systems to attacks, so it should be closed by default and only selectively opened when needed for remote access. Restricting access to port 3389 is crucial..

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

port 3389 tcp  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 ...