Re: [squid-users] Squid HTTP Keytab SPN question

From: Khaled Blah <khaled.blah_at_googlemail.com>
Date: Thu, 15 Apr 2010 03:47:14 +0200

Hi Nick,

what I don't get in your question is this: if squid is already joined
to your domain as squid1, why create another machine account auth1?
Maybe I missed out on something.

Your msktutil parameters look fine though.

Regards,
Khaled

2010/4/14 Nick Cairncross <Nick.Cairncross_at_condenast.co.uk>:
> Hi,
>
> I'd like confirmation of something is possible, but first best to detail what I want:
>
> I want to use a separate computer account to authenticate my users against. I know that this requires an HTTP.keytab and computer in AD with SPN. I would like to use MKTSUTIL for this.
> If my proxy server is called SQUID1 and is already happily joined to the domain then I need to create a new machine account which I will call AUTH1.
>
> 1) Do I need to create a DNS entry for AUTH1 (with the same IP as SQUID1)?
> 2) If so, do I need just an A record?
> 3) I have evidently got confused over the msktutil switches and values and so I'm specifying something wrong. What have I done? See below...
>
> I used this command after a kinit myusername:
> msktutil -c -b "CN=COMPUTERS" -s HTTP/squid1.[mydomain] iz -k /etc/squid/HTTP.keytab --computer-name auth1 --upn HTTP/squid1 --server dc1 -verbose
>
> This created the computer account auth1 in the computers ou, added HTTP/squid1.mydomain to SPN and HTTP/squid1.mydomain_at_mydomain to the UPN.
> It also created the keytab HTTP.keytab. Klist reports:
>
>   2 HTTP/squid1.[mydomain]@[MYDOMAIN]
>   2 HTTP/squid1.[mydomain]@[MYDOMAIN]
>   2 HTTP/squid1.[mydomain]@[MYDOMAIN]
>
> However cache.log shows this when I then fire up me IE
>
> 2010/04/14 14:52:46| authenticateNegotiateHandleReply: Error validating user via Negotiate. Error returned 'BH gss_acquire_cred() failed: Unspecified GSS failure.  Minor code may provide more information. No principal in keytab matches desired name'
>
> Thanks as always,
> Nick
>
>
>
>
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Received on Thu Apr 15 2010 - 01:47:23 MDT

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