User Agent: Mozilla/5.0 (Windows NT 5.1; rv:6.0.1) Gecko/20100101 Firefox/6.0.1 Build ID: 20110830092941 Steps to reproduce: I go to http://chrome.angrybirds.com/ useing squid proxy server and Mozilla Firefox. Squid authenticate user in Active Directory domain using squid_kerb_auth and squid_ldap_group auth helpers. Actual results: I see clear game frame on angrybirds's web page. At this time in squid access log, i see messages like this: -------------- 1314964896.456 234 172.16.0.110 TCP_MISS/304 210 GET http://r2303.latest.project-slingshot-hr.appspot.com/fowl/fowl.nocache.js me@MY.DOMAIN DIRECT/209.85.149.141 - 1314964896.469 4 172.16.0.110 TCP_DENIED/407 1788 GET http://r2303.latest.project-slingshot-hr.appspot.com/images/bg-body.jpg - NONE/- text/html 1314964896.469 3 172.16.0.110 TCP_DENIED/407 1632 CONNECT apis.google.com:443 - NONE/- text/html 1314964896.469 1 172.16.0.110 TCP_DENIED/407 1977 GET http://adserver.adtech.de/addyn/3.0/1220/3212498/0/168/ADTECH;loc=100;target=_blank;key=key1+key2+key3+key4;grp=545;misc=1314964896415 - NONE/- text/html 1314964896.505 76 172.16.0.110 TCP_MISS/200 433 GET http://www.google-analytics.com/__utm.gif? me@MY.DOMAIN DIRECT/209.85.149.138 image/gif ----------------------- (full squid access log file are attached) (30 lines) That is, some url reqested anonymously("dash" instead username), and other urls are requested with authorized user me@MY.DOMAIN. If i use the Google Chrome web browser, page loaded successfully. Expected results: :) ---- windows XP SP3 x86 firefox 6.0.1 firefox 4.?.? google chrome (last)

Maybe an attached HTTP Log could help to analyze even further. https://developer.mozilla.org/en/HTTP_Logging (nsHttp:5)