I have setup a proxy server and it has caused a lot of problems. The internet will act quite slow or will some times not even connect. I think I have figured out the problem. In the squid access log I see a lot of TCP_DENIED/407(proxy authentication error) errors. I will watch the access log while loading a webpage and I see a lot of 407 errors but I will also get successful tunnels as well.I am not sure why sometimes the proxy allows the login and others it doesn't. I have NTLM mode enabled and everyone is using chrome. I also never get a prompt to enter the password. Is there any troubleshoot why the NTLM works intermittently or a way to force the computer to ask for the password?
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