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Question about cross realm authentification

daemon@ATHENA.MIT.EDU (Hubert Chomette)
Fri Nov 13 09:43:48 2009

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From: Hubert Chomette <chomette@ensil.unilim.fr>
To: kerberos@mit.edu
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Date: Fri, 13 Nov 2009 09:48:05 +0100
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Hi,

We try to unify authentification between two departements in our  
university.
The two departments have their own kdc, so cross realm should be the  
more interesting thing.
What I have understand, is that a client from site A with a TGT from A  
can ask for a cross realm TGT for B site and access to all SSOised  
application to B.
But suppose that a user from site A go to site B. How can he  
authentificate on a machine from site B (linux/windows computers using  
kdc B authentification)?
does cross realm permit such things? Or should this user have an  
account on site B to?

Thank's for your help

Regards,

Hubert
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