Hello we are migrating our proxy servers from squid version squid-2.7. STABLE9 to squid-3.3.9 and we have a problem with new version. We have test with the same browser firefox 24.6 and iexplorer 8.0 and we have problem with some streaming site with new ones version. With 2.7 it's OK. For example with youtube working perfectly in both version. With other site that using Silverligth and flash video, using squid-3.3.9, the browser reports message "Video not supported" and in web page details Webpage error details User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4. 0E) Timestamp: Tue, 17 Jun 2014 08:38:09 UTC Message: Script error Line: 0 Char: 0 Code: 0 URI: http://mediapolisgs.rai.it/relinker/relinkerServlet.htm?cont=826819 We have changed some "size" value: squid 2.7 cache_mem 32 MB cache_dir aufs /usr/local/squid/cache 6000 16 256 maximum_object_size 8192 KB connect_timeout 10 seconds request_timeout 10 seconds ipcache_size 8192 fqdncache_size 8192 squid-3.3.9 cache_mem 512 MB maximum_object_size_in_memory 1024 KB cache_dir aufs /var/spool/squid 16384 32 512 maximum_object_size 4 MB connect_timeout 10 seconds read_timeout 2 minutes request_timeout 10 seconds ipcache_size 16384 fqdncache_size 16384 >From cache.log and access.log with debug 11,2 I didn't find nothing. Please, do you have any idea? Thank you Maurizio