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RE: deny su to a specific user



You might want to check out 
http://www.puschitz.com/Security.shtml
- Setting Up "su" Restrictions for "root"
- Setting Up "su" Restrictions for Other Accounts 

I welcome any feedback.

Werner


On 19 Dec 2002, cnf wrote:

> nod, i figured it would be something like that, but i cant find the
> parameter :-/
> 
> mind posting it when you can check it ?
> 
> thnx
> 
> On Thu, 2002-12-19 at 03:18, Nelson Sampaio Araujo Junior wrote:
> > You can specify this on the "su" pam rules in /etc/pam.d/su. There is a
> > parameter for "not allowed" groups/users. (sorry for not telling the
> > parameter, but I'm without my unix access right now to check for you).
> > 
> > - Nelson
> > 
> > -----Original Message-----
> > From: pam-list-admin@redhat.com [mailto:pam-list-admin@redhat.com] On Behalf
> > Of cnf
> > Sent: Wednesday, December 18, 2002 5:49 PM
> > To: pam-list@redhat.com
> > 
> > i have 1 specific user (uid 400 *grin*) that i want to deny ALL login
> > attempts to.
> > 
> > so only direct console login would be allowed.
> > 
> > i got it all working, the only thing i cant seem to get done is the su
> > part.
> > 
> > how do i tell pam, that ANY su attempt to the uid 400 is to be forbidden
> > ?
> > 
> > no matter is the su-ing user is in group wheel, or root himself, su to
> > uid 400 needs to be denied.
> > 
> > ideally i would want that user only to be able to log in on ttyS0, but
> > for now i'll settle on solving the su prob :-)
> > 
> > any suggestions ?
> > 
> > 
> > cnf
> > -- 
> > Please avoid sending me Word or PowerPoint attachments.
> > See http://www.fsf.org/philosophy/no-word-attachments.html
> > 
> > 
> > 
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> > https://listman.redhat.com/mailman/listinfo/pam-list
> > 
> > 
> > 
> > _______________________________________________
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> > Pam-list@redhat.com
> > https://listman.redhat.com/mailman/listinfo/pam-list
> 





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