Why purchase another machine at all? Install a second network interface
card into Comp B and connect it in the diagram as Comp A. It'll cost ya
about $10-20 for a nic.
Charles Curley wrote:
>
> On Mon, Apr 17, 2000 at 10:37:04AM -0600, Daniel Woods wrote:
> ->
> -> > Assuming your ISP is providing you with only a single IP address, you want
> -> > something along these lines:
> -> >
> -> > +--------+
> -> > | Comp B |---\ +---+
> -> > +--------+ \---| H | +--------+ +-------+
> -> > | u |------| Comp A |-----| Modem |
> -> > +--------+ /---| b | +--------+ +-------+
> -> > | Comp C |---/ +---+
> -> > +--------+
> -> >
> -> > Comp A is your Linux box. The network card in A connected to your
> -> > cable/xDSL modem is assigned the external address supplied by your ISP
> -> > (static or DHCP). You'll need to use ipchains on this box so that it acts
> -> > as a gateway for the LAN.
> -> >
> -> > Comp B and Comp C are you Windows or ther Linux boxes.
> ->
> -> I have not set this up yet, however I don't have a "Comp A" (yet).
> -> Right now Comp B (mdk6.1 - development machine) and Comp C (win98 - kids
> -> machine) will be hooked up to my new 100 Mps *switch*, and the modem
> -> downloads at up to 7 Mps (2 Mps upload - so they say).
> ->
> -> What is the recommended minimum speed/memory for Comp A ?
> -> Is a P75/90 with 64 MB enough ? Will this affect the speed noticed
> -> by Comp B and C when using the internet ? Does any of this not matter
> -> as long as Comp A's network card is at least 10 Mps ?
>
> Overkill, actually. I use a 486/dx66 with 16 MB of physical memory. You
> might be able to get away with a 386/25, I haven't tried it.
>
> ->
> -> If I wanted to have a web server running (or ftp, mail, news), can
> -> it be on Comp B instead of Comp A ? I know the ISPs don't like this.
> -> I take it that Comp A would have to have some kind of proxy server
> -> to forward the request to the private web server on Comp B.
> -> If I started to get many web hits, would the speed and memory of
> -> Comp A affect users, or is it affected by the speed of Comp B ?
> -> Does opening up Comp B's port 80 (web) create a security risk
> -> (or is it if you use a proxy server - recommendations) ?
>
> Think security. Stuff the outside world will see should be on the firewall
> only. The fewer open ports on the firewall, the more secure it it. And if
> the outside world can see a service, someone will try to crack it.
>
> Also why route data across your internal network if you don't need
> to?
>
> Unless you are on a T1, any old Pentium class computer should do it.
>
> --
>
> -- C^2
>
> No windows were crashed in the making of this email.
>
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> http://w3.trib.com/~ccurley
