On 03/24/14 11:31 AM, Wendy Lin wrote:
> I am trying to allow user root (uid=0) to be authenticated via
> Kerberos5 at login time, too, but if I do I get a "User not known to
> the underlying authentication module" error and login is refused.
>
> OS is Suse 13.1
>
> pam config is:
> grep -r krb5 /etc/pam.d/
> /etc/pam.d/common-password-pc:password  sufficient      pam_krb5.so
> /etc/pam.d/common-account-pc:account    required        pam_krb5.so
>   use_first_pass
> /etc/pam.d/common-auth-pc:auth  sufficient      pam_krb5.so     use_first_pass
> /etc/pam.d/common-session-pc:session    optional        pam_krb5.so
>
> What am I doing wrong?
>
> Wendy
Hi,

* does other users have similar problem?
    (user root is 'defined' on each system before staring to use Kerberos, so 
try to find other account similar to root and try to 
use it)...

* does you Kerberos have LDAP as backend DB?
    If yes (like I would expect), then probably user root is no defined, so you 
can add (to pam configuration) something like:
account [default=bad success=ok user_unknown=ignore] pam_krb5.so

Regards.

P.S: Your post doesn't supply enough information, so this answer can be 
completely wrong. Just an idea.

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