Iptables config for wan:8888 to lan:80 on Amazon EC2

Hello, Right now i have configured 2 interfaces on my Amazon EC2 instance and i've opened 7999-8999 ports from web interface: WAN Interface Code: eth0      Link encap:Ethernet  HWaddr 12:31:38:04:C0:75           inet addr:10.220.195.131  Bcast:10.220.195.255  Mask:255.255.254.0 VPN Interface Code: ham1      Link encap:Ethernet  HWaddr 00:23:C3:E1:07:8E           inet addr:192.168.1.108  Bcast:192.168.1.255  Mask:255.255.255.0 As far as i've read Amazon does NAT 1:1, converting my real ExternalIP into 10.220.195.131. I can ping in internet and also in 192.168.1.1, and i'm interested how can i configure iptables in order to translate: ExternalIP:8888 into 192.168.1.1:80 Please help me a bit cause i've tried different configurations and none of them worked until now. For the start can you guys please tell me if i would need to use the ExternalIP in my iptables or 10.220.195.131 ? Thanks a lot and happy holidays!

URL: