Port Forwarding with iptabes

[rokey_4u]

Hello all
Please solve my problem

I have 3 cctv DVR 192.168.10.1:7071, 192.168.10.2:7072, 192.168.10.3:7073.... (C Class)
I want port forwarding on my public IP 155.155.155.155 (e.g.)
My Linux server is also do the natting, Ip is eth0 155.155.155.154 (e.g) and eth1 A Class 10.x.x.x

So provide a Iptables configuration for port forwarding .......



Thanks all

[Lazydog]

This sounds so much like school homework I will give you some more to read.

IPTABLES Tutorial

All your answers can be found in the above tutorial.