> iptables -t nat -A PREROUTING -i "name of interface" -p tcp -m tcp -- > dport 80 -j REDIRECT --to-ports 3129 > > If your default policy is to DROP all INPUT/FORWARD as is it should be. > > > iptables -A INPUT -i "name of interface" -p tcp -m tcp --dport 80 -j > ACCEPT in this case--where you have ppp[0-9], you can also use the "+" notation to avoid having 10 rules that do the same thing; i.e., iptables -t nat -A PREROUTING -i ppp+ -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3129 will match any ppp interface. > You can also use -s "ip address" instead of -i "name of interface". or both... -j
