In my opinion you will want to look in to Squid, a Internet Proxy
Caching server to push the internet through to your clients. I have a
network server running RedHat 9.0 with Samba as Primary Domain
Controller, file server, and print server, with Squid as my "internet"
pusher, and SquidGuard to set up content filtering.
I run one box and server 40 clients with this set-up.
As far as getting eth0 set up I believe you will need to set it up as
a dynamic IP, unless you have been assigned a static one from your
ISP.
Let me know if this works, if not I will check my configuration when i
get back to work and see how i can help out.
Ryan
Jim Norton <(E-Mail Removed)> wrote in message news:<FZKdnRILgeRy2QncRVn-(E-Mail Removed)>...
> Hello all:
>
> I have an SDSL internet connection with several routable IP addresses.
> Currently my network is very simple.. Every machine is assigned one
> routable IP address.
>
> I'd like to create a proper network with a DMZ and an Internal LAN segment
> that uses NAT.
>
> I've been building a Linux box with three NICS...
>
> 1 to be connected to my SDSL router
> 1 to be connected to the DMZ
> and the third to be connected to the internal LAN.
>
> Now, I've read several sources and am quite confused about how to even begin
> setting things up.
>
> Here is how my router/firewall box is setup.
>
> eth0 -> Internet
> eth1 -> DMZ
> eth2 -> Internal NATed LAN
>
> My current IP block looks like this:
>
> Network IP? 66.80.68.80
> Router IP ( Gateway ) 66.80.68.81
> Routable IP's 66.80.68.82 -> 66.80.68.86
> Broadcast IP 66.80.68.87
> Subnet Mask 255.255.255.248
>
> Now, how the heck do I setup eth0? I'm not sure even what IP address and
> other network parameters to assign to it.
>
> I believe I need to connect my SDSL router directly to eth0. But how do I
> configure eth0 so that I can relay all internet traffic from the SDSL
> router to eth1 and allow all traffic from eth0 to get out through eth0?
>
> I wish to use IP-Chains.
>
> I assume that once I get eth0 configured properly, I can use IP-Chains and
> NAT to route packets to and from my internal LAN.
>
> Can anybody give me some concrete information or a place to look that will
> provide more concrete information? So far I've only been able to find
> information on using IP-Chains and IP-Chain rules. I haven't found any
> sources that actually tell me how to configure the NIC's etc...
>
> Thanks,
> Jim Norton
> jimnorton at jimnorton.org
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