[CentOS] Squid authenticating by Active Directory

>The squid website explains that clearly .. which part don't you
>undersand ? http://wiki.squid-cache.org/ConfigExamples/#Authentication

I'll just add that the ntlm helper won't work under Windows 7/Windows Server
2008 R2.

If you are starting from scratch, set up Kerb Auth as that will work with all
versions of windows...