hi , have you installed libcap-devel before compiling squid with tproxy ?? ----- Dr.x -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Squid3-on-CentOS-6-and-tproxy-tp3666073p4662810.html Sent from the Squid - Users mailing list archive at Nabble.com.