> Dear Linux-netters,
>
> I'm not an expert networker, and I would apprerciate
> any understanding you can share with me about proxy.
>
> Here is my present set up.
>
> 1.) My i686 linux box has two ethernet cards that are
> functioning. The first is connected to the outside
> world which I am writing this e-mail message to.
> It is was assigned 24.1.90.21 by my ISP service.
>
> The second card is on eth1 and I can ping it and it
> responds fine. I assigned a dummy IP address to it
> called "192.9.212.1". It forms a "subnet" with my
> i486 box.
>
> 2.) My i486 Linux box has its own functioning ethernet
> card with dummy IP number "192.9.212.3".
The reserved IP addresses are 192.168.xxx.xxx.
> As you can see I have managed to construct a subnet
> that functions nicely. I have my two boxes hard
> disks NFS monted on each other. Security wise,
> I think the subnet is isolated.
>
> But what I would like to have is my subnet be able
> to communicate to the outside world. I would like
> my i486 to talk to the second i686 card but then
> "jump" to the first card and go to the outside
> world. I'm reading Firewall-HOWTO-8, and I think
> what I want is a *proxy* and not a firewall, but
> I'm not sure. If so, which software should I
> download and figure out? SOCKS? TIS?
>
> Or can I avoid the proxy altogether and set
> something in the *.conf `files that will simply
> pass thru the packets from the first to second
> card?
You probably want IP masquerading. See the IP-Masquerade mini-howto
for details.
-- Glynn Clements <glynn@sensei.co.uk> - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.rutgers.edu