Password Complexity in Linux

[Kristoffer Knigga]

I have this in my /etc/pam.d/system-auth:

password requisite /lib/security/$ISA/pam_cracklib.so retry=3 minlen=8 lcredit=-1 ucredit=-1 dcredit=-1 retry=3

That requires one upper, one lower, one digit, and a minimum of 8 characters.

I'm not sure how to remember the last X passwords.

Kris



-----Original Message-----
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com] On Behalf Of karthik keyan
Sent: Monday, June 30, 2008 11:20 AM
To: redhat-list at redhat.com
Subject: 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

Thanks & Regards
Karthik




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