[OpenAFS] Kerberos5 and afs

Jeffrey Altman jaltman@secure-endpoints.com
Thu, 15 Nov 2007 18:18:35 -0500


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Russ Allbery wrote:
> Steve Devine <sdevine@msu.edu> writes:
> 
>> Does the order of the enctypes listed in the kdc affect this?
> 
> In my experience, the enctype list should match exactly.  It doesn't
> matter what order you list the enctypes in; if you have enctypes on the
> krbtgt key that aren't present in Windows, you may lose.  So, in this
> case:
> 
>> This is my current kdc.conf entry:
>> supported_enctypes = des3-hmac-sha1:normal des-cbc-crc:normal
>> des-cbc-crc:v4 des-cbc-crc:afs3
> 
> you need to explicitly specify -e des-cbc-crc:normal when creating the
> krbtgt cross-realm keys.  Otherwise you'll get a des3 key in your KDC and
> since Windows doesn't support des3, you'll lose.

Windows 2003 SP1 and later supports RC4-HMAC cross-realm keys.


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