[24246] in Kerberos
Re: Updating encryption types
daemon@ATHENA.MIT.EDU (Phil Dibowitz)
Thu Jul 7 20:47:15 2005
Date: Thu, 7 Jul 2005 17:46:18 -0700
From: Phil Dibowitz <phil@usc.edu>
To: Kevin Coffman <kwc@citi.umich.edu>, kerberos@mit.edu,
Toan Nguyen <toan@usc.edu>
Message-ID: <20050708004615.GZ8907@usc.edu>
Mail-Followup-To: Kevin Coffman <kwc@citi.umich.edu>, kerberos@mit.edu,
Toan Nguyen <toan@usc.edu>
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On Thu, Jul 07, 2005 at 05:30:07PM -0700, Phil Dibowitz wrote:
> On Thu, Jul 07, 2005 at 02:22:59PM -0700, Phil Dibowitz wrote:
> > On Wed, Jul 06, 2005 at 07:21:17PM -0400, Kevin Coffman wrote:
> > > My guess is that your krbtgt/ISD.ISC.EDU@ISD.USC.EDU principal still
> > > only has a des key. 'cpw -randkey -keepold' on that principal to
> > > generate other keys.
> >=20
> > Nice. That works. I didn't realize that had to be updated. Which leaves=
me
> > with a few more questions:
> >=20
> > 1. What's the difference between the principals krbtgt@ISD.USC.EDU and
> > krbtgt/ISD.USC.EDU@ISD.USC.EDU ? They both exist, but krbtgt/ISD.USC.ED=
U seems
> > to be the ACTUAL ticket granting principal, while krbtgt@ISD.USC.EDU ha=
s the
> > DISALLOW_ALL_TIX attribute.=20
>=20
> OK, so going back, I find that
>=20
> krbtgt/ISD.USC.EDU@ISD.USC.EDU is for crossrealm trust.
> krbtgt@ISD.USC.EDU was our original tgt.
Oh, I typoed. Which made me realize there's another issue. The cross-realm
princ is:
krbtgt/ICS.USC.EDU@ISD.USC.EDU
and the right tgt (based on Kerberos by Brian Tung), doesn't seem to be doi=
ng
anything:
krbtgt@ISD.USC.EDU
and the mystery ticket is doing everything:
krbtgt/ISD.USC.EDU@ISD.USC.EDU
Now I'm quite confused. Any thoughts would be appreciated.
--=20
Phil Dibowitz
Systems Architect and Administrator
Enterprise Infrastructure / ISD / USC
UCC 180 - 213-821-5427
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