Thanks, By now I have solved it. > > iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT > > --to-port 3128 > > Which side is eth0 pointing to? LAN or Internet? If it's the Internet side > then you need to change the above to the LAN side. > U R RIGHT. eth0 is connected to INTERNET. I changed it to eth2. -- Thank you Indunil Jayasooriya