Password Complexity in Linux

[Andrew Elliott]

Last 4 passwords should not be used is set in pam_unix.so like so:

Password	sufficient	/lib/security/$ISA/pam_unix.so remember=4


Does anyone know where pam saves the previous passwords??  I can't find it
(yes, I've tried /etc/security/opasswd thanks)..

-----Original Message-----
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com]
On Behalf Of Scott Ruckh
Sent: Monday, June 30, 2008 2:06 PM
To: karthik_arnold1 at yahoo.com; General Red Hat Linux discussion list
Subject: Re: Password Complexity in Linux



Hi All

I would like to setup passwd complexity on our Linux servers .

Min 8 characters - 1 upper , 1 digit and 1 Lower character

Last used 4 passwords should not be used

And also i want to set Passwd expiry for user accounts which are already 
created and These passwd complexity should apply to users which has alreay 
been created .

I Need your valuable help and advice

-----------------------------
man pam_cracklib 

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