> I will run Squid on Linux OS, with transparent mode. > Should I use iptables to do the http intercept? > what's the iptables syntax? please help, thank you. How many network card does this squid box have? in squid.conf, Pls add below line http_port 3128 transparent This is the iptables rule #Redirecting traffic destined to port 80 to port 3128 iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 80 -j REDIRECT --to-port 3128 for more, pls visit below URL http://wiki.squid-cache.org/SquidFaq/InterceptionProxy Happy Squiding -- Thank you Indunil Jayasooriya