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Old 08-21-2006, 07:31 AM   #1
Registered: May 2006
Distribution: Lovley Debian etch :)
Posts: 47

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Share Internet Connection ?

Hi, i have a question:

How to share my Internet Connection (it is WLAN) to my LAN users?
My Linux is Debian Sarge 3.1r2

My situation looks like this:

router--WLAN--( computer( (
Old 08-21-2006, 10:04 AM   #2
Registered: Jun 2005
Distribution: arch, ubuntu
Posts: 456

Rep: Reputation: 30
the easiest way that i have found is to install an app called firestarter.
it manages your ip share, firewall, port routing, etc. And its GUI !

if you want to share via dhcp, you may have to install that package also. Otherwize, give your lan computers an ip address like and up. let us know if you have any truoubles.
Old 08-21-2006, 10:12 AM   #3
Registered: May 2006
Distribution: Lovley Debian etch :)
Posts: 47

Original Poster
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Hmm so what's the different between "normal" sharing and via DHCP ?
Old 08-21-2006, 09:04 PM   #4
Registered: Dec 2005
Location: Lawrenceville GA
Distribution: Slackware, CentOS. Red Hat Enterprise Linux
Posts: 216

Rep: Reputation: 31
Basically, you want to use your Linux computer as a router. No problem here. You can either assign static IP addresses to the computers on your LAN (your Linux computer must have a static on the LAN) and set their default gateway to the Linux IP address, or you can setup DHCP on the Linux system to assigned an IP address to all your LAN computers from a pool. Using DHCP with pass them the default gateway and DNS information.

On you Linux system, you must have IP_FORWARDING enabled in the kernel so will route IP packets. Also, your WLAN router must be able to find your LAN through the Linux system. If you can't do that, they you'll need to setup masquerading through iptables to properly forward Internet traffic from your LAN computers.


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