[CentOS] Strong security in user's accounts and paswords..

Mon Feb 4 13:56:16 UTC 2008
israel.garcia at cimex.com.cu <israel.garcia at cimex.com.cu>

Hi, I have some databases running on CentOS4 with users accessing the
shell (bash), so I'd like to strong the security on my server in user's
accounts and passwords.. I mean, enforcing strong passwords, min/max age
passwords, locking passwords when you fail 3 times, and all this stuff.
Is there any package which do this work? Any tutorial?

Thanks in advance
Regards
Israel