Hi, > Uto Cen wrote: >> Hi, >> I�ve recently upgraded to Squid 3.0.STABLE1 with coss and aufs. If I am not wrong, the coss is marked as experimental in Squid 3.0 and should not used in production systems. Also it is under discussion if coss will be included in the 3.1 release or not: http://www.squid-cache.org/mail-archive/squid-dev/200710/0070.html Regards, Christos