linux passowrd re-use problem

[Jay Berryman]

Use something like this in /etc/pam.d/sys-auth:

password    sufficient    /lib/security/pam_unix.so nullok use_authtok md5
shadow remember=6

You will also need to touch /etc/security/opasswd in order for it to work.  

Jay Berryman, RHCT

-----Original Message-----
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com]
On Behalf Of zhicheng wang
Sent: Wednesday, January 19, 2005 04:32
To: redhat-list at redhat.com
Subject: linux passowrd re-use problem

dear all

as Linux does not have a facility to remember the old
passwords for each user, how do i prevent users re-use
their old passwd? is there any software to do this? or
anything like pam can be configured to use some sort
of db to do this?

any suggestions are highly appreciated.
thanks
cheng


=====
Best wishes
Z C Wang


	
	
		
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