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 |