Issues with forwarding Iptables

Posted by Ricardo Rios on Ask Ubuntu See other posts from Ask Ubuntu or by Ricardo Rios
Published on 2012-07-09T20:16:38Z Indexed on 2012/07/09 21:23 UTC
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I have some issues with my redirectioning lines on iptables, it seems it does not work, any help will be appreciated

iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
echo 1 > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -s 192.168.2.0/24 -o eth0 -j SNAT --to 10.10.10.1
iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 80 -j DNAT --to 10.10.10.1:8080
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080
iptables -t nat -A PREROUTING -d 200.59.189.125 -p tcp --dport 8081 -j DNAT --to 192.168.2.51:8081
iptables -t nat -A PREROUTING -d 200.59.189.125 -p tcp --dport 34551 -j DNAT --to 192.168.2.51:8081
iptables -t nat -A PREROUTING -d 200.59.189.125 -p tcp --dport 8082 -j DNAT --to 192.168.2.52:8082
iptables -t nat -A PREROUTING -d 200.59.189.125 -p tcp --dport 34552 -j DNAT --to 192.168.2.52:8082
iptables -t nat -A PREROUTING -d 200.59.189.125 -p tcp --dport 8083 -j DNAT --to 192.168.2.53:8083
iptables -t nat -A PREROUTING -d 200.59.189.125 -p tcp --dport 34553 -j DNAT --to 192.168.2.53:8083
iptables -t nat -A PREROUTING -d 200.59.189.125 -p tcp --dport 8084 -j DNAT --to 192.168.2.54:8084
iptables -t nat -A PREROUTING -d 200.59.189.125 -p tcp --dport 34554 -j DNAT --to 192.168.2.54:8084
iptables -t nat -A PREROUTING -d 200.59.189.125 -p tcp --dport 8085 -j DNAT --to 192.168.2.55:8085
iptables -t nat -A PREROUTING -d 200.59.189.125 -p tcp --dport 34555 -j DNAT --to 192.168.2.55:80
echo Ejecutadas Reglas del Firewall

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