I am running a small wifi network made of 3 computers : 1) computer A with an internet ip ( ppp0 ) and a private ip ( wlan0/192.168.0.1 . 2) computer B with two private ip ( wlan0/192.168.0.2 and wlan1 192.168.1.1 ) . 3) computer C with a private ip ( wlan0/192.168.1.2 ) . I am using two networks because the wifi link quality is too low between A and C . The computer A iptables rules are : echo 1 > /proc/sys/net/ipv4/ip_forward iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE iptables -A FORWARD -i wlan0 -o ppp0 -j ACCEPT The computer B iptables rules are : echo 1 > /proc/sys/net/ipv4/ip_forward iptables -t nat -A POSTROUTING -o wlan0 -j MASQUERADE iptables -A FORWARD -i wlan1 -o wlan0 -j ACCEPT Now I want to redirect all the http trafic from computer A to B. If I insert the rules `iptables -t nat -A PREROUTING -p tcp --dport 80 -i ppp0 -j DNAT --to 192.168.0.2:80` ,I can not access my web site (with the public internet ip ) from my network but if I use my ISP proxy ,I can . Any ideas to solve this problem ? Thanks ,julien .
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