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TCP UDP Ports


Official List

Port 12345

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 12345 tcp italk Italk Chat System REGISTERED PORT
Port 12345 udp italk Italk Chat System REGISTERED PORT

UnOfficial

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

Port Protocol (TCP/UDP) Description
Port 12345 NetBus—remote administration tool (often Trojan horse). Also used by NetBuster. Little Fighter 2 (TCP).