On Wed, 16 Aug 2000, Joseph S. Gardner wrote:
>
> Just concerned about the firewall setup I suppose... Not quite
> certain how to set it up to allow email in, web surfing in, and
> still protect my internal network.
I'm assumming the usual IPMasquerading/Firewall set up here.
If the firewall box is your mail server/ web server you won't be letting
that traffic onto your localnet except in reply to your requests. If you
use something like pmfirewall, setting up the firewall is almost easy, and
it has configuration options for masquerading.
In terms of performance, you need to scale your machine to your needs, but
the average home user masquerading a home network (say 4 machines and
roughly 20-30 machine-hours of surfing a day) can be adequately handled by
a 486/50 WITH a webserver serving a couple hundred hits a day. (personal
experience talking here).
One concern to have ... if you have the semi-static IP addresses typical
of cable modems, you may loose mail if you get renumbered. I'd host my
mail somewhere with a static IP address. The machine mentioned above has
no problems handling the above load while acting as my MX backup for my
company, and occasionally getting a few hundred messages in a few
hours. (I run postfix on every mail server I manage).
just a datapoint for you,
-burk
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