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3389 port tcp or udp Actually, Remote Desktop requires TCP port 3389 to be open. Also, opening UDP port 3389 enables acceleration since RDP 8.0 (e.g. Windows 7 with RDP 8 Update, Windows 8, or Windows 10). In other words, if you use the former version of RDP (before RDP 8.0), then TCP will be the only protocol that can be used..

3389 vs 3311  What’s the difference between Port 3389 and Port 22? Port 3389 is for RDP, focusing on remote access, while Port 22 is used for SSH, prioritizing secure shell access for command-line interactions.

3389 đăng nhập  This article provides a comprehensive guide to RDP network ports, with a focus on TCP and UDP protocols.