How to share internet connection between 2 PC's

This is a discussion about How to share internet connection between 2 PC's in the Linux Networking category; Hi. I have an Internet connection configured in Linux (Redhat 9. 0) and I would like to know how I can share that internet connection with another local computer that uses Windows XP. I have already done this for Windows XP (using bridge), but now I don't know how I do that in Linux.

Linux Networking 361 This topic was started by PsychoactivE, 2004-03-15 13:32. Last reply by CorpoSemAlma, 2004-03-15 19:41

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PsychoactivE

1 Posts
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Joined 2004-03-15

#124484

2004-03-15 14:32

Hi. I have an Internet connection configured in Linux (Redhat 9.0) and I would like to know how I can share that internet connection with another local computer that uses Windows XP. I have already done this for Windows XP (using "bridge"), but now I don't know how I do that in Linux. Any help is appreciated!

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Mar 15

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Mar 15

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CorpoSemAlma

4 Posts
Location -
Joined 2004-03-05

#124485

2004-03-15 19:41

What kind of connection do you have?
If you already navigating try this:

copy everything inside a file...
change the " " with your data
and run it..

Here it goes....

!#/bin/sh

LAN_IP_NET="your lan ip range (maybe 192.168.1.0/24)"
LAN_NIC="the internal network interface (eth0 or eth1)"
OUT_NIC="external network interface (eth0, eth1 or ppp0 and so on)"

iptables -t nat -A POSTROUTING -s $LAN_IP_NET -o $OUT_NIC -j MASQUERADE
iptables -A FORWARD -j ACCEPT -i $LAN_NIC -s $LAN_IP_NET
iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT

You should be navigating on XP by now....