Subject: Re: ip masquerading
From: Olivier van Helden (magic@samarkande.net)
Date: Sat Aug 05 2000 - 16:33:14 MDT
>i'm on a g3 running cs 1.2 and i read some stuff about ip
>maquerading and i'm wondering if someone can clue me in on
>something. on macs i just use ipnetrouter and go from the dsl modem
>to the uplink in the hub and then plug both computers into the hub
>and use one computer as a router (software duh). on the machine
>with the ip my isp gives me i can ping everything, but the internal
>network. would someone please point me in the right direction to
>configure cs 1.2 to be a software router using 1 ethernet card in
>the machine instead of 2? i.e. this is how my network is set up...
I did encounter this problem, under MacOs: the computer (I mean every
software on the computer except IPNetRouter) actually answers to only
1 ip address, aka the one your receive from your dsl modem. You have
to put some settings in IPNetRouter to allow direct mapping between
your router's internal network address and it's external address.
As far I know, this wouldn't normally occur under Linux, because, as
long as you don't explicitly define it in their settings, most
softwares do answer to every declared IP address.
I didn't use my CS1.2-macintosh for routing (it's on my workstation,
and I use it only for testing), but a Pentium with RedHat 6.2. In
this distribution, there is a linuxconf module to configure the
firewall (and the routing), but you have to activate it, because it
isn't by default (in "Control" -> "Control files and systems" ->
"Configure Linuxconf modules"). I can't check it out right now
myself, but I think this module could be in the CS1.2 distribution
too.
Then, after restarting linuxconf, you have very simple things to do
to activate the routing in "Config" -> "Networking" -> "Firewalling"
>
>dsl modem ---- hub ---- computer
> |________ computer (host)
>
>thanx in advance,
>adam
>ant
>Lunch Lady Industries - Taking The Cafeteria By Storm
>http://www.lunch-lady.com
>antadam@lunch-lady.com
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