Date: Tue, 23 Jul 2002 16:23:55 -0300 From: "Tobias P. Santos" <tpeixoto@widesoft.com.br> To: freebsd-net@FreeBSD.ORG Subject: Firewall and DMZ Message-ID: <3D3DAD4B.A6C6AEC@widesoft.com.br>
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Hello,
I would like to implement a firewall to my DMZ network, but
I am not sure about how to do it.
+----------+
| Internet | 123.456.789.254
+----------+
|
+------------------+
| FreeBSD Firewall | 123.456.789.4
+------------------+
|
+-------------+-----------+
| | |
| | |
| | |
+----------+ +---------+ +--------+
| DNS | | Web | | E-mail |
| Server | | Server | | Server |
+----------+ +---------+ +--------+
123.456.789.1 123.456.789.2 123.456.789.3
I know it is pretty easy to build ipfw rules when we have natd
(for my internal network for example), but I haven't figured out how to
forward packets between interfaces on the same network with valid IP
addresses.
In fact, I'd like to have the same behavior of Drawbrigde
(drawbridge.tamu.edu), but it seems somewhat deprecated.
So, where should I start from? Is there a software to do that?
If this is not the correct mailing list, please tell me the
right one and sorry for the incovenience.
Thank you in advance,
--
Tobias P. Santos
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