HP WBEM Services Software Developer's Kit for HP-UX Provider and Client Developer's Guide A.01

Client Implementation
Client Security Considerations
Chapter 5102
More information on the authentication and encryption algorithms used
may be found in the HP WBEM Services for HP-UX System
Administrator's Guide on docs.hp.com/hpux/netsys.
Since the client may not know in advance which port the target system
has been configured to use, it can attempt to connect to one first, then the
other. The preferred order would be to try encrypted port 5989 first when
connecting to HP-UX systems.