What is Port 3389? - CBT Nuggets

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3389 port number used for Port 3389 is used for Windows Remote Desktop and Remote Assistance connections (RDP), as well as some security vulnerabilities and applications. Learn more about the protocol, service, threats, and references for port 3389..

3389 vip If you don't want to use 3389 externally, open a different port externally, but point it to 3389 on the IP address of the machine you want RDC on. This is helpful for routing many systems with RDC.

port 3389 This article introduces the ports that need to be open on firewalls to configure Remote Desktop Services (RDS) correctly. The information and taxonomy are broken down by role, service, and component, and all inbound and outbound ports used are listed.