unix security program

[J. Modla]

The book, 'UNIX System Security', by Wood and Kochan, has a few security 
programs listed in the appendices.  One does security auditing (secure),
another checks file permissions (perms), and then there are 2 that do
password administration (pwadm and pwexp).

Has anyone tried these programs out?  I'd be interested to hear about
your results.

Also, if anyone has one or more of these programs on-line, could you please
send me a copy?  Thanks a bunch.