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Date: Sun, 30 Jun 2013 14:48:34 +0300
Message-ID: <CAEW+ogbx15KiayBHFJ7T1YVGQ2pwm1ArQaSrjUk6XUOBgVPggA@mail.gmail.com>
Subject: Re: DNAT in freebsd
From: Sami Halabi <sodynet1@gmail.com>
To: Eugene Grosbein <eugen@grosbein.net>
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Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>,
 "Paul A. Procacci" <pprocacci@datapipe.com>,
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Hi,
I don't understand how reverse mode works exactly, and didn't find a good
example.


can you try and help on the configuration?

Thanks in advance,
Sami


On Sun, Jun 30, 2013 at 1:22 PM, Eugene Grosbein <eugen@grosbein.net> wrote:

> On 29.06.2013 13:50, Sami Halabi wrote:
> > I think I was misunderstood...
> > Here is the situation i want to handle:
> > My box is a router that handles several /24 behind.
> > One of my links (em0) is connected to a private network 192.168.0.1 is
> me,
> > my neighbour is 192.168.0.2.
> > I want to make that any connection comes to 192.168.0.1  to go to ip
> > 193.xxx.yyy.2 using specific public ip 84.xx.yy.1
> > And packets comming to my public 84.xx.yy.1 ip to be trsnslated as came
> > from 192.168.0.1 and sent to 192.168.0.2/or ant other ips
> > behind(192.168.1.xx/24).
> >
> > Hope that makes it clearer, and I appreciate any help.
>
> You need to setup 2 ipfw nat instanses, one to translate source IPs,
> another to translate destination IPs (this one needs "reverse" mode).
>
>
>


-- 
Sami Halabi
Information Systems Engineer
NMS Projects Expert
FreeBSD SysAdmin Expert