Hi, all i've implemented squid with Tproxy and SquidGuard for transparent content filtering. squid conf: ++++++++++++++++++++++++++++++++++++++++++++ http_port 3129 tproxy redirect_program /usr/local/bin/squidGuard -c /usr/local/squidGuard/squidGuard.conf -d redirect_children 10 +++++++++++++++++++++++++++++++++++++++++++++++++ my squidGuard.conf +++++++++++++++++++++++++++++++++++++++++++++++++++++ ..... dest porn { domainlist porn/domains urllist porn/urls expressionlist porn/expressions redirect http://localhost/denied.bl } acl { winxp_1 { pass !porn any } default { pass any } } ...... ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ HTTP traffic are redirect via: +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ iptables -t mangle -A PREROUTING -p tcp --dport 80 -j TPROXY --tproxy-mark 0x1/0x1 --on-port 3129 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ My traffic passthrougth squid but the contents are not filtered because the user can access porn site. Also there access are logged in access.log can someone help me? regards.