[SSSD] GSSAPI and Kerberos - understanding question
John Hodrien
J.H.Hodrien at leeds.ac.uk
Mon Nov 28 09:16:52 UTC 2011
On Mon, 28 Nov 2011, Ondrej Valousek wrote:
> Yes. My understanding is the only difference between a service principal and
> a user principal is that the KDC will not issue a ticket granting ticket to a
> service principal.
>
> jh
>
>
> Yes and it is no wonder because UPN and SPN serve a different task. I
> recommend searching MS technet for this. They have a nice explanation for
> this.
In simple terms it's service for a receiver and user for initiator.
Unfortunately this can sometimes get a little blury. NFSv4 is a good example
of that.
jh
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