Port 1690 is commonly used for a protocol called “Cisco confiuration register” for bootstrapping Cisco devices. It is also sometimes used for remote system administration and monitoring.
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 1690 |
tcp |
ng-umds |
ng-umds |
REGISTERED PORT |
Port 1690 |
udp |
ng-umds |
ng-umds |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |