HP-UX Internet Services Administrator's Guide (May 2010)

http://www.docs.hp.com/hpux/netcom/index.html#Internet%20Services,
or type man 1M ramD at the HP-UX prompt for more information.
Secure Internet Services
Secure Internet Services (SIS) is an optionally enabled mechanism that incorporates
Kerberos V5 Release 1.0 authentication and authorization for the following services:
ftp, rcp, remsh, rlogin, and telnet. See Installing and Administering Security Services
on HP-UX 11i v2, at the URL
http://www.docs.hp.com/hpux/netcom/index.html for more information.
24 Internet Services Overview