So just disabled authentication on the proxy and the problem still happens. If i bypass the proxy i can login correctly but when i set the proxy and go through without authentication it fails to log in. Seems squid might be playing with the traffic some how? Simon On Wed, 2012-04-18 at 18:47 +0200, Javier Conti wrote: > > On Apr 18, 2012 7:34 AM, "Simon Dwyer" <mail@xxxxxxxxxx> wrote: > > > > Hi all, > > > > I have just implemented squid with kerberos + ntlm + basic > > authentication. > > > > I have just been told accessing a sharepoint website on the internet > has > > stopped working. > > > > It seems the site is running NTLM authentcation. > > > > I have wiresharked the traffic on the proxy and can see the request > come > > in from the client then out to the web server and the NTLM fields > are > > left in place. > > > > The sharepoint server is responding with a 401 unauthroized. > > > > Where would be the next place to start looking? > > Are you trying with Windows 7 clients? If yes, have you tried with a > Windows XP one? > > I'm facing the same problem (getting Integrated Windows Authentication > to work through Squid) and as long as clients are Windows XP it works > fine. > > If this is the case, I can tell you that we already tried to lower the > security settings in Windows 7 to something comparable to those of > Windows XP but still see differences in behaviour (and still have the > problem)... > > Regards, Javier > > > > > I am running 3.1.10. > > > > Thanks all, > > > > Simon > > > >