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Copying/Moving Principals from One Realm to Another

daemon@ATHENA.MIT.EDU (Holger Rauch)
Wed Dec 30 05:17:32 2009

Date: Wed, 30 Dec 2009 11:16:40 +0100
From: Holger Rauch <holger.rauch@empic.de>
To: kerberos@mit.edu
Message-ID: <20091230101640.GB2008@heitec.de>
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Hi,

I'm using MIT Kerberos on a Debian Lenny system. All Kerberos related
info is stored in an LDAP DIT (realm was initialized by using
kdb5_ldap_util).

Now I've created a second realm whose contents reside in the same DIT
since our machines will be moving to a new subnet and a different DNS
domain will be used as well.

Now I'm faced with two choices:

a) leave the principals where they are and use cross realm
   authentication so that users can authenticate against both realms.
  =20
b) moving (and possibly renaming) all principals from the old realm to
   the new one
  =20
Is b) possible at all and if so, does anybody have any scripts that
he/she is willing to share?

Are there any other important points to consider when moving
"kerberized" machines from one subnet/DNS domain to another (besides
the most obvious ones, like changing IP addresses/host names)?

Thanks in advance & kind regards,

       Holger

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