Date: Sat, 04 Mar 2000 22:01:30 -0700 From: Chris Fedde <chris@fedde.littleton.co.us> To: Systems Administrator <geniusj@ods.org> Cc: questions@FreeBSD.ORG Subject: Re: Routing between 2 interface.. Message-ID: <200003050501.e2551UT25872@fedde.littleton.co.us> In-Reply-To: Your message of "Sat, 04 Mar 2000 22:46:29 EST." <Pine.BSF.4.10.10003042241070.52500-100000@ods.org>
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Systems Administrator writes:
+---------------
| I'm trying to setup a "dropin firewall" .. Such that when a packet reaches
| our network, it goes through the main router (the cisco) and then passes
| through the firewall (the freebsd box) and then hits the rest of the lan..
| I'm trying to do this in this way..
|
| 63.236.135.1(Main Router) -> 63.236.135.232(Firewall NIC 1) ->
| 63.236.135.233 (Firewall NIC 2 -- Same Machine) -> rest of lan
|
| If that makes any sense :).. If you could help me with this.. I am very
| lost right now ;).. If you need more details, etc.. Feel free to contact
| me..
|
| Thanks in advance,
| -JD-
+---------------
From the addressing that you are using you'll have to use host routes on each
interface (subnetmask 255.255.255.255 aka /0)
Also unless there is a real good reason not to I'd set up natd on your
firewall box and use one of the private IP networks on your LAN
3. Private Address Space
The Internet Assigned Numbers Authority (IANA) has reserved
the following three blocks of the IP address space for
private networks:
10.0.0.0 - 10.255.255.255
172.16.0.0 - 172.31.255.255
192.168.0.0 - 192.168.255.255
-- RFC 1597
__
Chris Fedde <chris@fedde.littleton.co.us>
303 773 9134
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