> My situation is simple: > > A web site is using NTLM authentication ans ask the user for credentials > (without squid). > Our squid goes out trhough a NAT connection, then when the user tries > with squid configured, and IIS error shows up in the browser saying: > > You are not authorized to view this page > > You do not have permission to view this directory or page using the > > credentials that you supplied because your Web browser is sending a > > WWW-Authenticate header field that the Web server is not configured to > >.... http://www.squid-cache.org/Doc/FAQ/FAQ-11.html#ss11.14 Some extracts from this FAQ section : +We cannot proxy connections to a origin server that use NTLM authentication, but we can act as a web accelerator or proxy server and authenticate the client connection using NTLM. ... +The protocol has several shortcomings, where the most apparent one is that it cannot be proxied. .... M.