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@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Scott Ruckh Sent: Monday, June 30, 2008 2:06 PM To: karthik_arnold1@xxxxxxxxx; 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 -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list