Port 3390

Port 3390 is used for remote desktop access (RDP) on some computers, particularly those running Windows operating system. It is an alternative port to the default port 3389, which may be used for security reasons or to allow multiple RDP sessions on the same computer.

Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.

Official

Port
Protocol (TCP/UDP)
Title
Description
Port Type
Port 3390
tcp
dsc
Distributed Service Coordinator
REGISTERED PORT
Port 3390
udp
dsc
Distributed Service Coordinator
REGISTERED PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
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