redirecionamento de portas e ip

echo "1" > /proc/sys/net/ipv4/ip_forward
sysctl net.ipv4.ip_forward=1
iptables -t nat -A PREROUTING -p tcp --dport 1316 -j DNAT --to-destination 172.18.152.223:1316
iptables -t nat -A POSTROUTING -j MASQUERADE
iptables -t nat -A PREROUTING -p tcp -i eth1 --dport 1316 -j REDIRECT --to-destination 172.18.152.223:1316