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Date:      Sun, 11 Apr 1999 22:36:49 -0700
From:      Jamie Norwood <mistwolf@ethereal.net>
To:        "Steven Vetzal" <svetzal@cujo2.icom.ca>, <freebsd-net@FreeBSD.ORG>
Subject:   Re: NatD question
Message-ID:  <19990411223649.A7310@ethereal.net>
In-Reply-To: <000001be8419$476fa320$7ffea8c0@blazer.pr1.on.wave.home.com>; from Steven Vetzal on Sun, Apr 11, 1999 at 08:46:10AM -0400
References:  <19990410203227.A23292@ethereal.net> <000001be8419$476fa320$7ffea8c0@blazer.pr1.on.wave.home.com>

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This works. I feel stupid now for not trying it before; I had tried loading a 
config file with multiple redirct_address lines, but that wasn't working. Odd.

Jamie


On Sun, Apr 11, 1999 at 08:46:10AM -0400, Steven Vetzal wrote:
> Hi Jamie,
> 
> You don't use rules to do that - just edit /etc/rc.conf to launch natd with
> the additional flags
> 
> -redirect_address 10.166.54.57 208.166.54.57 -redirect_address 10.166.54.58
> 208.166.54.58
> 
> Steve
> 
> 
> -----Original Message-----
> From: owner-freebsd-net@FreeBSD.ORG
> [mailto:owner-freebsd-net@FreeBSD.ORG]On Behalf Of Jamie Norwood
> Sent: April 10, 1999 11:32 PM
> To: freebsd-net@FreeBSD.ORG
> Subject: NatD question
> 
> 
> I have an odd(?) NatD setup I am tryin to implement but haven't been able
> get it working or find adequate resources to help me figure it out.
> 
> I have a cable modem, and with it I am assigned 4 IPs. Now, as they
> are not IPs I can subnet, and because I want some basic firewall functions
> (Blocking NetBios, for instance.), I want to connect the cable modem
> to my FreeBSD server, then connect a second NIC to a hub on which rests
> 2 other machines.
> 
> This part i have wokring ok. What I want, though, is for those two machines
> to be accessible from the outside world as public IPs through transparent
> translation on the FreeBSD box.
> 
> So what I have is:
> 
>   The Internet
>        |
>        |
> /-------------\
> | Cable Modem |
> \-------------/
>        |
>        |
>        \--------------------------------------\
>                                               |
>                                               |
>                                       /---------------\
>                                       | 208.166.54.56 |
>                                       | 208.166.54.57 |
>                                       | 208.166.54.58 |
>                                       |               |
>                                       |  10.166.54.56 |
>                                       \---------------/
>                                               |
>                                            /-----\
>                  /-------------------------| Hub |
>                  |                         \-----/
>           /--------------\                    |
>           | 10.166.54.57 |                    |
>           \--------------/                    |
>                                        /--------------\
>                                        | 10.166.54.58 |
>                                        \--------------/
> 
> Where do I begin in writing the NatD rules that will allow packets destined
> for 208.166.54.57 hit 10.166.54.57, and for machines on the internet to see
> 10.166.54.57 as 208.166.54.57 when sending packets back?
> 
> Thanks!
> 
> Jamie
> 
> 
> --
> -----BEGIN GEEK CODE BLOCK-----
> Version: 3.1
> GCS d- s+:+ a--(?) C++++ UB++++ P+ L--(++) E-- W++(--) N++ O?
> K w(---) O?>+ M?>+ V PS+ PE+ Y+ PGP->++ t+(*) 5+++ X++ R++ tv+
> b+ DI++++ D++ G e>+ h--- r+++ y+++**
> ------END GEEK CODE BLOCK------
> 
> 
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> 
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-- 
-----BEGIN GEEK CODE BLOCK-----
Version: 3.1
GCS d- s+:+ a--(?) C++++ UB++++ P+ L--(++) E-- W++(--) N++ O?
K w(---) O?>+ M?>+ V PS+ PE+ Y+ PGP->++ t+(*) 5+++ X++ R++ tv+
b+ DI++++ D++ G e>+ h--- r+++ y+++**
------END GEEK CODE BLOCK------



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