HP StorageWorks Clustered File System 3.2.1 Windows Storage Server Edition Administration Guide (February 2006)

Chapter 17: Other Cluster Maintenance 184
Internal Network Port Numbers
The following network port numbers are used for internal, server-to-
server communication. You should need to change the firewall rules for
these ports only if you have HP Clustered File System nodes firewalled
from each other.
Port
Transport
Type Description
7659 TCP Group Communications client connections
7659 UDP Group Communications multicast and unicast
messages
7660 UDP Group Communications control token
7661 UDP Group Communications administration and
statistics
8940 UDP PanPulse network health detector
9060 TCP DLM control and statistics connections
9060 UDP DLM point-to-point messages
9065 TCP MSM control and statistics connections
9065 UDP MSM point-to-point messages