Although being a "fan" of MS, I would assume a problem of squid2.7/Windows-specific. Because I still have several squid2.7/ubuntu running, and can not remember such a problem for my Windows-users. But I am using persistent server-conns with very last squid2.7 -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Immediate-This-page-can-t-be-displayed-on-HTTPS-requests-UNCLASSIFIED-tp4664302p4664306.html Sent from the Squid - Users mailing list archive at Nabble.com.