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Web filtering not always picking up an AD user

For the purpose of this post I can assure you that this is in place : https://community.sophos.com/kb/en-us/123362

 

What's happening: For the most part this is working fine. We are using reporting, not really filtering, however, a user is frequently prompted to authenticate in Firefox. The PC is new, firefox has been updated, uninstalled, reinstalled, has the URL key put properly in the prefs file which shows up in about:config, and frequently I do see the user polling in Web Filtering -> Live Log. But, I don't always see the user & domain in the log and the user is prompted. It's important to note that noone else is ever prompted. The user's PC is one we have replaced, but we have replaced 2 others and no issues w/ them.

 

I'm scratching my head here as I'm running out of ideas. Anyone in the community have a thought?

 

Alexander



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  • So you are using NTLM and not Kerberos? Since this is one PC out of what sounds like quite a few, the obvious thing I'd look at is to make sure the Date/Time are correct on the problem computer. If the clock is skewed you'll have Auth problems. 

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  • So you are using NTLM and not Kerberos? Since this is one PC out of what sounds like quite a few, the obvious thing I'd look at is to make sure the Date/Time are correct on the problem computer. If the clock is skewed you'll have Auth problems. 

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