firewall in Linux help

[John Kloian III]

This is an optimal setup, and one that we use for business networks all
the time.  I knew you would answer this one sooner or later Jean, and
since I knew you'd answer a lot more eloquently than myself, I figured I'd
wait for your post.

John Kloian III
____________________________________________________________________________
Vice President 			         Wired Global Communications, Inc.
Phone:  602.674.9900 ext. 103	 "Specializing in Open Source Network Solutions"
Fax:    602.674.8725       	            http://www.wiredglobal.net






On Fri, 25 Feb 2000, J. Francois wrote:

> It seems like on Fri, Feb 25, 2000 at 10:02:24AM -0700, Kelly A Kirby scribbled:
> Orig Msg> I have a dsl router connected to 
> Orig Msg> the network hub. To this is connected
> Orig Msg> 3 computers with minimum dual boot.
> Orig Msg> 
> Orig Msg> Each computer would have to have their
> Orig Msg> own firewall initiated.
> Orig Msg> 
> Orig Msg> Thank you
> Orig Msg> 
> Orig Msg> Kelly
> Orig Msg> ---
> Orig Msg> http://www.kirbyswebdesigns.com
> Orig Msg> designs@kirbyswebdesigns.com
> Orig Msg> ICQ: 6576900
> Orig Msg> AIM: EvnRane
> Orig Msg> 
> Orig Msg> On Fri, 25 Feb 2000 11:33:59   Furmanek, Greg wrote:
> Orig Msg> >I thought everyone would have jumped on this one.
> Orig Msg> >I know a lot of people have firewall knowledge here.
> Orig Msg> >
> Orig Msg> >To setup packet filtering firewall you should look 
> Orig Msg> >at ipchains.
> Orig Msg> >There is a pretty decent script for enabling ipchains in:
> Orig Msg> >http://www.ecst.csuchico.edu/~dranch/LINUX/TrinityOS.wri
> Orig Msg> >
> Orig Msg> >Other material:
> Orig Msg> >
> Orig Msg> >IPCHAINS-HOWTO
> Orig Msg> >
> Orig Msg> >Of cause I am assuming you are using Linux as
> Orig Msg> >your firewall.
> Orig Msg> >
> Orig Msg> >The Wolf
> Orig Msg> >
> 
> Sorry, I have companies to run so I am delayed
> in answering my PLUG mail :)
> 
> Only 1 firewall needed.
> 
> UGLY ASCII ART FOLLOWS:          | |--> Host1  
>                                  |H|--> Host2
> DSL router <--> Linux Firewall <-|U|--> Host3
>                                  |B|--> Host4
> 
> Configure the DSL router to only accept connections from
> the Linux Firewall.
> Configure the Hosts to only talk to the firewall.
> The firewall will have 2 Ethernet cards, one for each network segment.
> Sleep better at night.
> 
> I have a 4 port DSL modem and only use 1 port in a configuration
> similar to the one above.
> 
> See: http://www.magusnet.com/magusnet1.html for an example.
> 
> Jean Francois Sends...
> President & CEO MagusNet, Inc.
> MagusNet.com
> CTO EBIZ Enterprises, Inc.
> TheLinuxStore.com,TheLinuxLab.com,LinuxWired.net
> 
> 
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