Re: howto isolate 2 nics?

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On Friday 22 September 2006 08:00, Tod Merley wrote:
>On 9/22/06, Gene Heskett <gene.heskett@xxxxxxxxxxx> wrote:
>> Greetings;
>>
>> We have a machine that has two nics in it, one with an outside, world
>> visible internet address, and one with an address in the 192.168.xx.xx
>> range.
>>
It is a server of sorts, and hosts at least 2 web sites in addition to 
local business related traffic.

>> What we seem to be missing is a way to have requests for service
>> generate the reply on the same nic it came in on, as its currently
>> settup with just one gateway address, the replies are all going back
>> out on the local address.
>>
>> We effectively need each nic to operate in its own domain, but with the
>> machine servers visible to both nics?
>>
>> Can this be done?  URL's to tutorials?
>>
>> Thanks in advance.
>>
>> --
>> Cheers, Gene
>> "There are four boxes to be used in defense of liberty:
>>  soap, ballot, jury, and ammo. Please use in that order."
>> -Ed Howdershelt (Author)
>> Yahoo.com and AOL/TW attorneys please note, additions to the above
>> message by Gene Heskett are:
>> Copyright 2006 by Maurice Eugene Heskett, all rights reserved.
>>
>> --
>> fedora-list mailing list
>> fedora-list@xxxxxxxxxx
>> To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
>
>Hi Gene Heskett!
>
>Sounds like the machine is a server?  Web, mail, that sort of thing?
>As well, it is the supplier of internet to a local LAN (subnet
>192.168.X.X).
>
>You probably want Network Address Translation (NAT).  But yes, a basic
>understanding of Networking is beyond a single e-mail typed by me at
>4:36 a.m.
>
># The first two under "4.4.1. General" are probably a good place to
>start, you should also see "Masquerading-Simple-HOWTO" (uses NAT).
>http://tldp.org/HOWTO/HOWTO-INDEX/networking.html
>
># Shows most of the networking commands
>http://yolinux.com/TUTORIALS/LinuxTutorialNetworking.html
>
># On the page do a search for "The Linux Network Administrator's
>Guide" - 505 pages in the PDF version - very comprehensive.
>http://tldp.org/guides.html
>
>Two topics stick in my mind as I think about what you are trying to
>do. One is security - you will need to understand how to manage a
>firewall.  The second is a possible need to set up a Dynamic Host
>Control Protocol server for those on the local subnet.
>
>Have Fun!
>
>Tod

Thank you very much, with this info I expect we shall overcome.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Yahoo.com and AOL/TW attorneys please note, additions to the above
message by Gene Heskett are:
Copyright 2006 by Maurice Eugene Heskett, all rights reserved.


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