On Thu, Feb 07, 2008 at 10:29:14AM -0500, jeff donovan wrote: > Are the NTLM auth modules that come with squid used just for accessing > the squid cache ? As I understand it: yes. See: http://wiki.squid-cache.org/SquidFaq/CompleteFaq#head-663844d925e559109734bd02d6dd049a861197e0 which says: "Windows NT Challenge/Response authentication requires implicit end-to-end state and will not work through a proxy server." I ran into this last week, and asked the IIS admin to switch to basic authentication + SSL instead -- which does work through Squid. Dave -- ** Dave Holland ** Systems Support -- Special Projects Team ** ** 01223 496923 ** Sanger Institute, Hinxton, Cambridge, UK ** "Once more, with feeling." -- The Wellcome Trust Sanger Institute is operated by Genome Research Limited, a charity registered in England with number 1021457 and a company registered in England with number 2742969, whose registered office is 215 Euston Road, London, NW1 2BE.