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Celestix appliance - ISA 2006 - Authentication fails

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Celestix appliance - ISA 2006 - Authentication fails - 22.Jun.2007 12:29:28 PM   


Posts: 26
Joined: 5.Jul.2001
From: Houston, TX USA
Status: offline
I hope someone sees this. No other posts in this section.
I purchased the Celestix / Surfcontrol solution from CDW with 24/7 support contract.
Celestix support staff are very friendly but cannot help me with this issue.
I purchased a Microsoft support incident and they refused to help me saying that Celestix must initiate the call to Microsoft.
Celestix does not have a support contract with Microsoft!
Help, I am now without support on my firewall solution.

Current issue:
On my basic web access rule:
When I remove 'All Users' and add 'Authenticated Users' web traffic fails after a few minutes.

Celestix has tried many things but it still fails. I know one would need much more info than I can type here but since Celestix has checked everyone of my rules and cannot find the issue either I was hoping someone out there might have seen this behavior.

WPAD is through DNS
I also have a Group Policy which configures Web Proxy on IE
Could this be causing an issue?
Could it be a problem with my Active Directory?

When you add 'authenticated users' or a security group from my AD domain (Celestix box is a member) it appears to work for a few minutes. Logs show domain\username. Then, for no apparant reason logs show denied and username is either anonomyous or blank.
I have document 'Troubleshooting Client Authentication on Acess Rules in ISA Server 2004." I have read and studied this document.
I just can't find an issue except the section labeled 'Unauthenticated Users Appear in Logs' which cautions to make sure that Web Proxy settings are configured correctly on client computers.

Any help out there?
Katy, TX
Post #: 1
RE: Celestix appliance - ISA 2006 - Authentication fails - 24.Jun.2007 1:36:45 PM   


Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Jen,

What a mess! I didn't know that Celestix didn't have a contract with MS -- I assumed that they did since they need to communicate with MS for escalation. Who did you talk to in PSS?

Do you see any authentication errors in the event log?

Also, make sure you don't have any external DNS servers configured on any of the ISA Firewall's NICs.

Another thing to check out is to make sure that autodiscovery publshing is enabled on the default Internal Network.



Thomas W Shinder, M.D.

(in reply to jenifern)
Post #: 2

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