Port 691

Modified by:

Port 691 is typically used for Link Management Protocol (LMP) in Forthcoming Inter-Domain Routing Protocol (FIRP) networks. It is also used for MS Exchange MRS Replication endpoint communication in Microsoft Exchange Server.

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 691
tcp
msexch-routing
MS Exchange Routing
WELL KNOWN PORT
Port 691
udp
msexch-routing
MS Exchange Routing
WELL KNOWN PORT

UnOfficial

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

Port Protocol (TCP/UDP) Description
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