Port 1689

Port 1689 is used for Microsoft Key Management Service (KMS) activation. KMS is a server-client model used for activating Microsoft products such as Windows and Office in a corporate environment. Port 1689 is used by KMS servers to listen for activation requests from clients.

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 1689
tcp
firefox
firefox
REGISTERED PORT
Port 1689
udp
firefox
firefox
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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