[27808] in Kerberos

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Users occasionally kicked after pam_krb5 login

daemon@ATHENA.MIT.EDU (Norman Elton)
Wed May 23 10:16:44 2007

Message-ID: <6b3a7f010705230714v3d9848c4p4478e28279805afa@mail.gmail.com>
Date: Wed, 23 May 2007 10:14:33 -0400
From: "Norman Elton" <normelton@gmail.com>
To: kerberos@mit.edu
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Hello,

I have a RedHat 5 client authenticating users against a Mac server
(running OS 10.3). For the sake of testing, I've created a local user
on the client machine, with the /etc/shadow entry configured to
authenticate the password via pam_krb5.

The user can login fine. But about 20-30% of the time, they are
immediately kicked off. I can see a bash prompt flash on the screen,
then it immediately disappears, and the user is returned to the login
prompt.

This doesn't happen for users with local passwords. I have rebuilt the
client machine a few times, and the problem is reproduceable. We have
not had problems with RedHat 4.

Any ideas on what would cause a kerberos user to get kicked off a machine?

Norman
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