[31093] in Kerberos
Re: Active Directory Kerberos Server and Windows MIT Tools Client
daemon@ATHENA.MIT.EDU (Jeffrey Altman)
Mon May 11 07:16:25 2009
X-Envelope-From: jaltman@secure-endpoints.com
X-MDaemon-Deliver-To: kerberos@mit.edu
Message-ID: <4A0808E8.1050904@secure-endpoints.com>
Date: Mon, 11 May 2009 07:15:52 -0400
From: Jeffrey Altman <jaltman@secure-endpoints.com>
MIME-Version: 1.0
To: SCHREIJM@airproducts.com
In-Reply-To: <681E55847A76D4449B702D8B7DE7ED851F8C81@US1013EXMP.america.apci.com>
Cc: kerberos@mit.edu
Reply-To: jaltman@secure-endpoints.com
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IIS and other Windows SSPI based applications will only use credentials
that are obtained via the Microsoft logon screen.
You cannot use MIT KfW to obtain a TGT for those applications. In
other words, you must log onto the machine with the domain account and
not a local account if you wish to use IE.
Your other option is to start IE using "RunAs <domainAcct>" and issue
your username/password for the domain account each time you start IE.
Jeffrey Altman
Schreiter,Jonathan M. wrote:
> Hello,
> I currently have an AD 2003 environment that serves as a Kerberos server. Normally, with a standard Windows XP / Vista client (that is joined to the domain), when I login with a domain account I get a TGT for the AD domain / realm. This TGT is then used to get tickets for various other services that require Kerberos. When I run a klist from the MIT tools installed on this client, I show my ticket cache: MSLSA.
>
> I need to log in with a local account on this same computer (still joined to the domain). I'd like to be able via command line to enter in my AD credentials to acquire a tgt just as if I was a login from the original CTRL+ALT+DEL screen.
>
> Also, MYDOMAIN.COM = MYREALM.COM
>
> After logging in locally, I tried to do a simple kinit myuser@MYDOMAIN.COM and it took the password. However, if I use Internet Explorer to go to an IIS server that requires kerberos authentication, I am still prompted for my username and password.
>
> I then drilled in to the GUI Network Identity Manager. Under Kerberos v5 Credential Cache I have Include Windows LSA cache (MSLSA:) checked. Uner Realms I added a new realm MYDOMAIN.COM. I added an AD DC for the Kerberos Server, but I left Domains that map to MYDOMAIN.COM empty (not sure what's supposed to go here).
>
> I then entered my kerberos authentication in to the GUI and it took my password. However, it still doesn't see the tgt in the MSLSA (if I try to use a klist from the Windows NT Resource Kit). If I run klist from c:\Program Files\MIT\Kerberos\Bin I get a klist: No credentials cache found (ticket cache API:myuser@MYDOMAIN.COM. Also, If I try to run IE to hit an IIS web server requiring Kerberos, it still prompts me for my credentials.
>
> I think I'm almost there - but can someone help me connect the pieces? Again, I would like to log in to a windows xp / vista computer, enter a username and password to obtain a tgt in the mslsa, so that IE can hit an IIS server that requires kerberos w/o typing in the password again.
>
> Any help would be GREATLY appreciated.
>
> Many thanks,
> Jonathan
>
>
>
> ________________________________________________
> Kerberos mailing list Kerberos@mit.edu
> https://mailman.mit.edu/mailman/listinfo/kerberos
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