Password, Login, and Pam

[Browder, Tom]

Can someone please tell me how, on FC 2 , to do the following:
 
1.  Ensure a password meets minimum length and other quality
restrictions.
 
2.  Lockout an account for time X after three failed attempts.
 
3.  Force a user to change a password after time Y.
 
4.  Report all the above.
 
The /etc/login.defs with password restrictions apparently doesn't work
with PAM.
 
PAM documentation is very confusing to me--I see apparent dependencies,
duplications, and overlaps between "services" and modules, and which
takes precedence is not clear..
 
For example, following the examples in the "Linux-PAM System
Administrators' Guide" (latest I could find: version 0.76, Jun 2002) for
the /etc/pam.d/passwd doesn't work for me.  I set the following:
 
  password required pam_cracklib.so \
      dcredit=-1 ucredit=-1 ocredit=o lcredit=-1 minlen=8
 
Nothing changes:
 
  As a user I try to change my password and it accepts 6 characters.
 
Thanks for any help or pointers.
 
Tom Browder
 
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