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u2mike
Apprentice
Joined: 06 Nov 2003
Posts: 209
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 Posted: Fri May 14, 2004 10:08 pm Post subject: Seting up a router? |
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Ok,
I'm trying to setup a linux router for a friend of mine. I allready have one at home but I didn't set it up personally so I'm still new at this.
So far what I've done is setup the two network cards, one connects to the internet and the other gets a local IP (192.168.1.1). I setup dhcpd and it is working. Each computer on the network gets an IP from 2-9. They also get the correct DNS address for the ISP.
But this is where I'm stuck, how do I get the network that I setup to be able to reach the outside world. Right now I can contact the router machine, but no further then that. Note, I do not have iptables setup right now, I don't need a firewall yet, are ip tables necessary? |
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LeTene
Guru
Joined: 02 Mar 2004
Posts: 348
Location: Ah'll glass ye!
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| Posted: Fri May 14, 2004 10:28 pm Post subject: Re: Seting up a router? |
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| u2mike wrote: | | ...I don't need a firewall yet, are ip tables necessary? |
Yes, you need iptables to use the masquerade functionallity that pretends all packets from private network look like they are coming from the router (and translate back to the correct machine when replies come back).
A quick search of the forums for "masquerade" (and a peek at http://wiki.gentoo-portage.com's Home Server guide) will get you there.
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u2mike
Apprentice
Joined: 06 Nov 2003
Posts: 209
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| Posted: Sat May 15, 2004 12:26 am Post subject: |
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| Thanks for the link. It works fine. |
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davidblewett
Apprentice
Joined: 15 Feb 2004
Posts: 274
Location: Indiana
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| Posted: Tue May 18, 2004 4:49 pm Post subject: |
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Shorewall is a great front-end for iptables. You can configure it to do masquerading, firewalling and DNAT'ing. They've done a really good job of getting all the bases covered for iptables.
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this is the power of Christ in me
From lifes first cry to final breath
Jesus commands my destiny
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Networking & Security
