I've got a WS1100 Appliance. My users are being proxied through with a proxy.pac file hosted on one of our servers. We use AD integration to authenticate our users.
My issue is that very randomly a user will call me saying they can't get to any websites. What they have is an authentication box for our WS1100. If they enter their credentials (which is what should be passed automatically) it refuses them 3 times until it gives a "Proxy Authentication Error" page. If I log in with my own credentials however, (which are obviously elevated compared to most of our users), it will let me through.
This happens very randomly, to different users with different access. Sometimes restarting their machine fixes the problem sometimes logging off and back on fixes it, and sometimes it won't go away without bypassing the proxy altogether. If
It seems to be a windows problem, as if Windows isn't letting them authenticate. If the ygo to another machine they have no problem. Doesn't seem to be a Sophos problem but I thought maybe someone here has seen a similar issue.
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