Hi All I have a Squid Server (squid-3.2.0.16-1.fc16.x86_64) which is set to upstream to a 3rd party gateway proxy server and therefore has to authenticate all users destined for the internet (internal traffic is not required to authenticate) While this works perfectly from IE and Firefox (NTLM authentication falling back to basic) chrome clients are unable to authenticate against the squid at all. (chrome is the latest version at time of writing 18.0.1025.168 m) I see the following in the debug logging: 2012/05/01 16:50:45.674 kid1| ACLChecklist::preCheck: 0x7fdaa23a98c8 checking 'http_access allow AuthorizedUsers' 2012/05/01 16:50:45.674 kid1| ACLList::matches: checking AuthorizedUsers 2012/05/01 16:50:45.674 kid1| ACL::checklistMatches: checking 'AuthorizedUsers' 2012/05/01 16:50:45.674 kid1| Acl.cc(61) AuthenticateAcl: returning 0 sending authentication challenge. 2012/05/01 16:50:45.674 kid1| ACL::ChecklistMatches: result for 'AuthorizedUsers' is 0 2012/05/01 16:50:45.674 kid1| ACLList::matches: result is false 2012/05/01 16:50:45.674 kid1| ACLChecklist::checkForAsync: requiring Proxy Auth header. 2012/05/01 16:50:45.674 kid1| ACLChecklist::markFinished: 0x7fdaa23a98c8 checklist processing finished 2012/05/01 16:50:45.674 kid1| aclmatchAclList: async=1 nodeMatched=0 async_in_progress=0 lastACLResult() = 0 finished() = 1 2012/05/01 16:50:45.674 kid1| aclmatchAclList: 0x7fdaa23a98c8 returning (AND list entry failed to match) 2012/05/01 16:50:45.674 kid1| ACLChecklist::check: 0x7fdaa23a98c8 match found, calling back with 3 2012/05/01 16:50:45.674 kid1| FilledChecklist.cc(18) checkCallback: 0x7fdaa23a98c8 answer=3 2012/05/01 16:50:45.675 kid1| aclCacheMatchFlush called for cache 0x7fdaa23d9a18 2012/05/01 16:50:45.675 kid1| ACLChecklist::checkCallback: 0x7fdaa23a98c8 answer=3 2012/05/01 16:50:45.675 kid1| Gadgets.cc(57) aclGetDenyInfoPage: got called for AuthorizedUsers 2012/05/01 16:50:45.675 kid1| aclGetDenyInfoPage: no match And not much else, does anyone have any suggestions? Thanks Jay -- "The only difference between saints and sinners is that every saint has a past while every sinner has a future. " — Oscar Wilde