Exemplos de Uso
$
echo 1 > /proc/sys/net/ipv4/ip_forward
echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
$
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
$
iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080
$
iptables -t nat -A PREROUTING -p tcp --dport 3306 -j DNAT --to-destination 192.168.1.100:3306