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Re: Password incorrect while getting initial credentials

daemon@ATHENA.MIT.EDU (trimkins@sbcglobal.net)
Mon Feb 18 09:46:17 2008

From: trimkins@sbcglobal.net
Date: Mon, 18 Feb 2008 06:33:25 -0800 (PST)
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On Feb 18, 8:01 am, "Kevin Coffman" <k...@citi.umich.edu> wrote:
> On Feb 17, 2008 10:10 PM,  <trimk...@sbcglobal.net> wrote:
>
>
>
> > Hello,
>
> > I am receiving a "kint(v5): Password incorrect while getting initial
> > credentials" error after entering a password in response to a prompt
> > following a kinit command (kinit user/my.dom...@MY.REALM).  I know
> > that I am entering the correct password.  The database seems to be
> > fine; I can get a ticket as root through:
> >    kinit -k -t /etc/krb5.keytab user/my.dom...@MY.REALM
>
> > I am wondering if this could have anything to do with a
> > preauthentication requirement.  My KDC.conf has a default principal
> > flag of +preauth.
>
> > Does this flag require any preliminary steps to authenticate before
> > (or during) kinit?
>
> > May there be anything else that I am missing?
>
> > Thanks a lot.
>
> If 'user/my.dom...@MY.REALM' is the same in both cases, the reason you
> can't authenticate with a password is because you created the keytab.
> The act of creating a keytab causes a new random key to be generated
> and placed in the Kerberos database and into the keytab.  There is no
> password associated with that key and you will only be able to
> authenticate as that principal using the keytab.
>
> If you want to authenticate with a password, do a "cpw" in kadmin for
> the principal (and do not do a "ktadd").

C'est magnifique!  Thanks, that's just what I needed.

Angus
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