Which squid version do you use ? I have had similar problems with squid 3.1.x ; updated to squid 3.4.x and problems were gone. -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/IE8-10-Flash-videos-don-t-play-until-buffering-finishes-tp4664652p4664653.html Sent from the Squid - Users mailing list archive at Nabble.com.