Port forwarding behind a router and ICS

[freakitchen]

Hi guys, trying to make the best of a bad wiring situation here, so please stick with me...

I've recently been forced to move my ADSL router downstairs to the master phone socket in my house, and away from my four computers that were previously connected into a wired hub, then into the router.

Unfortunately, because of the distance involved now, It's impossible for me to run a wire to the router, so I'm resorting to wireless (for which the connection strength is excellent). I have a wireless adaptor installed in a windows 2000 machine that, using internet connection sharing, provides internet to the other three machines through the switch.

The router, acting as DHCP server, assigns IPs based on 192.168.1.x, the ICS computer on 192.168.0.x (though the systems behind this are statically configured).

What I need to do is use some port forwarding on the machines behind the ICS. The ICS computer can foward ports itself, but I was wondering whether these ports would need to be first forwarded to the ICS Computer itself from the Router, to be allowed through its hardware firewall? The router cannot see the computers behind ICS, so the port forwarding cannot be done directly.

ICS is new to me, so I'd appreciate some help with this.

FK

[glc]

It's almost impossible to forward ports through 2 levels of NAT. What you NEED to do is get a wireless access point that can act as a bridge endpoint (and is compatible with your wireless router as a bridge) and plug it into your hub - and run all the computers off the hub, ditching the ICS.

[freakitchen]

Thanks for the info glc. This scenario is just a temporary thing. so I'll hopefully find a different way around it than buying new equipment, even if it involves the pains of getting a wireless card to work with Linux!

FK