Device Authentication Port Reference; H.350 Directory Service; Active Directory (Direct) - Cisco TelePresence Administrator's Manual

Reference material

Device authentication port reference

H.350 directory service

The following table lists the ports used for device authentication between VCS and the H.350 server. They
are configurable via Configuration > Authentication > Devices > H.350 directory
Purpose
H.350 LDAP server

Active Directory (direct)

The following table lists the ports used for device authentication between VCS and the AD system. They are
configurable via Configuration > Authentication > Devices > Active Directory
Purpose
Kerberos Key Distribution Center
Kerberos
VCS with Domain Controller (CLDAP)
VCS with Domain Controller (LDAP)
Client credential authentication with the Domain
Controller (Microsoft-DS). VCS initially tries port 445,
but if that cannot be reached it tries port 139.
Cisco VCS Administrator Guide (X8.1.1)
Device authentication port reference
VCS port
TCP ephemeral port
VCS port
UDP ephemeral port
TCP ephemeral port
UDP ephemeral port
TCP ephemeral port
TCP ephemeral port
service.
Destination port
TCP/389 or TCP/636
Service.
Destination port
88 UDP
88 TCP
389 UDP
389 / 636 TCP
445 / 139 TCP
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