You need patch 112438 (as of April 2006, this is rev -03). Install, reboot, and it should be there.This is required for things like CSW (BlastWave) OpenSSH, which will otherwise die with the message
This is a collection of techical information, much of it learned the hard way. Consider it a lab book or a /info directory. I doubt much of it will be of use to anyone else.