I had two computers hooked to the internet, one (mine) running redhat
6.1 and having a dial up connection to the internet, and the other, my
gf's connected through mine. My puter is networked to my gf's puter
using a cat5 cable i cut and reversed the tx/rx wires on in order to
get by without a hub. Her puter runs W2K. Ip masqing, firewalling,
etc. works fine this way. I decided that ,4 the exp. Of doing it, i
would hook up a third computer with redhat 6.1 also and use it
primarily as a firewall. Again i got away without using a hub by
cutting another cat5 wire and installing another ethernet card i had
lying around in my computer. So, at this point the new firewall is
connected to mine and mine is connected to my gf's. The firewall dials
up and connects fine (uses the kde desktop). My gf's puter pings my
puter and the firewall fine.. my puter pings hers and the firewall
fine ...the firewall pings both of my network cards fine but will not
ping my gf's puter.. furthermore, i cannot get masqing to work so that
my puter gets internet access from the firewall. I can connect to the
internet by setting up squid on the third computer. My gf's puter can
acess this way as well.. here's what i need: either 1) an example of
what my routing table for the center puter with 2 NICs should look
like so that the firewall can ping my gf's or 2) how to send mail
while using squid for internet access.. i've only been using linux for
a couple of months but i have a lot of windoze exp. Do i use sendmail
on the firewall computer to get mail out to the internet or do i do it
through squid.. i didn't see any settings in squid.conf for this. Oh
yeah and the network ID's are as follows
my gf's puter NIC -192.168.0.2 #1 gateway 192.168.0.25 #2
192.168.1.25
my puter NIC #1 -192.168.0.25
NIC #2 -192.168.1.25 gateway 192.168.1.1
firewall puter NIC -192.168.1.1 #1 gateway 192.168.1.25 #2
192.168.0.25
any help is greatly apreciated... i'll prolly just end up buying a
damn hub which would make this so much easier but for now this will
have to suffice.
-myth0s
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