[28986] in Kerberos
Re: Heimdal KDC, Windows XP and local users
daemon@ATHENA.MIT.EDU (Jeffrey Altman)
Wed Jan 9 11:18:56 2008
Message-ID: <4784F406.1020402@secure-endpoints.com>
Date: Wed, 09 Jan 2008 11:19:18 -0500
From: Jeffrey Altman <jaltman@secure-endpoints.com>
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To: cclausen@acm.org
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Christopher D. Clausen wrote:
> Victor Sudakov <vas@mpeks.no-spam-here.tomsk.su> wrote:
>> I have configured Windows XP to use a Heimdal KDC for user
>> authentication. All existing Windows users can authenticate against
>> the KDC, user
>> mapping is "ksetup /mapuser * *".
>>
>> However, Windows does not create a new local user with the same name
>> as the Kerberos princical I try to authenticate as.
>
> No, Windows does not, nor should it. You mapped all principals to a
> single user account. If you want seperate accounts, you'll need to
> actually create the accounts ahead of time and map the principal to the
> individual accounts.
"ksetup /mapuser * *" does not map all users to a single account. It
maps Kerberos principals to local accounts (if they exist) whose
username matches the first component of the principal.
However, Windows will not create accounts on the fly. A GINA could
definitely do that for XP (but not Vista). I don't know if a Network
Provider could do it. I'm thinking not because by the time the Network
Provider has been called I believe the SID of the user must be determined.
Jeffrey Altman
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