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TCP UDP Ports


Official List

Port 1521

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 1521 tcp ncube-lm nCube License Manager REGISTERED PORT
Port 1521 udp ncube-lm nCube License Manager REGISTERED PORT

UnOfficial

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

Port Protocol (TCP/UDP) Description
Port 1521 Oracle database default listener, in future releases official port 2483