[OpenAFS] Bogus ticket lifetimes on Windows client

[Jeffrey Altman]

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If you are using OpenAFS 1.3.6400, why do you think that krb524d is 
being used?

Evan Knop wrote:

> I'm having problems with the OpenAFS windows client and krb524d.  (I 
> believe - I'm presuming this based on symptoms and the klog 
> documentation).
>
> If the max. lifetime for AFS tokens is less than 10:40, the results on 
> linux and windows are the same.
>
> If the max. lifetime is greater than 10:40 but less than about 15 
> hours, the Windows client gets progressively longer tickets (up to 
> about 2-4 weeks!), following the schedule described for the intervals 
> in the AFS klog manpage.  The linux client, for the same token 
> lifetimes, gets tokens of the correct length.
>
> If the max. lifetime is greater than a certain amount (not sure 
> exactly what - 24 hours is too much), then the Windows client will 
> decide that its' tokens expire January 1, 1601.  The linux clients 
> (through fakeka) continue to work fine.
>
> My hypothesis is that the Windows client is speaking to the krb524d 
> (750/udp) on running on the AFS hosts, and interpreting the kerberos-4 
> response to this request as if it were a kaserver response (with the 
> odd "scaling").  Linux is speaking to the fakeka (7004/udp), which is 
> doing the scaling for the client, so the result comes back with the 
> correct (or almost-correct) time on the other side.
>
> Is there any way to indicate to the Windows client either:
>
> 1) it is speaking to a Kerberos-4 server, rather than a kaserver
>
> or
>
> 2) to request a ticket no longer than a certain time (e.g. 10 hours)?
>
> This occurs with both the 1.2.10 client and the 1.3.6400 client when 
> using the "Integrated Login" option. (it is fixed by installing both 
> the MIT Kerberos package and 1.3.6400, but "Integrated login" to our 
> Samba-2 (NT 4.0) realm still fails).  We're looking forward to rolling 
> out Kerberos-5 to all these clients, but we're not quite ready to do 
> that yet, and in the meantime, we'd like for our (extremely 
> non-technical) users to still be able to access the AFS space we've 
> been selling them on for the past three years.
> _______________________________________________
> OpenAFS-info mailing list
> OpenAFS-info@openafs.org
> https://lists.openafs.org/mailman/listinfo/openafs-info


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