[14546] in Kerberos

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Re: One way Cross-Realm Authentication

daemon@ATHENA.MIT.EDU (Ken Hornstein)
Thu Jun 7 20:26:19 2001

Message-Id: <200106080023.f580NIo21465@ginger.cmf.nrl.navy.mil>
To: John Rudd <jrudd@cats.ucsc.edu>
cc: kerberos@MIT.EDU
In-reply-to: Your message of "Thu, 07 Jun 2001 16:19:48 PDT."
             <3B200C14.189C5401@cats.ucsc.edu> 
Date: Thu, 07 Jun 2001 20:23:15 -0400
From: Ken Hornstein <kenh@cmf.nrl.navy.mil>

>So, the goal is that machines attached to and administrated by any
>random THEM.UCSC.EDU realm can have users authenticated against
>US.UCSC.EDU, and not visa versa.
>
>Can I accomplish that by deleting one of the above principles?  If so,
>which one?  I'm guessing it'd be the first one, but I'm not sure.

You want to delete krbtgt/US.UCSC.EDU@THEM.UCSC.EDU.

It's easy to figure this out, actually.  Just use a cross-realm service
that goes from your realm to the foreign realm, and do "klist" to see
what krbtgt principal you get as part of cross-realm.  Then delete the
other one.

--Ken

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