HP-UX Networking Ports Reference Guide

Chapter 1
Port Numbers and Ranges
Port and Port Range Use
25
50005 SCM TCP ServiceControl Manager 3.0
Used for shutdown requests from the localhost.
65000-65536 HP Telecom Do not use this port range; incompatible with
third-party connectors to HP Telecom systems.
Table 1-1 (Continued)
Port/Port
Range
Service/Application Protocol Description