[OpenAFS] Re: OpenAFS 1.7.26 windows and not changed AFS service principle - OK?

[Jeffrey Altman]

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On 7/26/2013 2:56 AM, Lars Schimmer wrote:
> On 2013-07-25 17:55, Andrew Deason wrote:
>> On Thu, 25 Jul 2013 11:36:52 -0400 (EDT)
>> Benjamin Kaduk <kaduk@MIT.EDU> wrote:
>>
>>> The short version is: a misconfigured KDC can cause problems for new
>>> clients against old servers.
>>
>> If that's true, we need to say specifically what that misconfiguration=

>> is, so people can check for them and avoid it. I'm not aware of any wa=
y
>> to create such a configuration (that behavior sounds instead like a KD=
C
>> bug to me, without knowing any further details).
>>
>> In particular with AD, the AFS service account must already have the
>> USE_DES_KEY_ONLY userAccountControl bit set in order for us to work at=

>> all with plain rxkad. Lars, do you know if the "Use Kerberos DES
>> encryption types for this account" account option is checked for the A=
FS
>> service account? Do you see any errors in wherever the Windows client
>> normally logs errors? Can you access that path if you destroy your
>> tokens?
>=20
> It is a bit more subtile.
> Yes, the AFS service account has DES only activated. klist -e on liunux=

> shows me:
> 2013-07-26 08:50:42  2013-07-27 08:51:58  afs/cgv.tugraz.at@CGV.TUGRAZ.=
AT
>         Etype (skey, tkt): des-cbc-crc, des-cbc-crc
>=20
> (on a still old client).
>=20
> I updated 3 clients for a test on windows 7 to 1.7.26. One works fine,
> two show me a valid token on login, but the AfS path is not reachable a=
t
> all ( \\AFS\.cgv.tugraz.at not reachable).

What are the enctypes of the service tickets obtained on the Windows
systems that do not work?   The enctypes from a service ticket on Linux
using the old client using the old algorithm are not comparable.




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