From owner-freebsd-questions@FreeBSD.ORG  Thu Feb 16 10:53:13 2006
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: questions@freebsd.org
Delivered-To: freebsd-questions@FreeBSD.ORG
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id EE31616A420
	for <questions@freebsd.org>; Thu, 16 Feb 2006 10:53:13 +0000 (GMT)
	(envelope-from infofarmer@gmail.com)
Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.205])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 90E2643D5C
	for <questions@freebsd.org>; Thu, 16 Feb 2006 10:53:11 +0000 (GMT)
	(envelope-from infofarmer@gmail.com)
Received: by zproxy.gmail.com with SMTP id o37so138177nzf
	for <questions@freebsd.org>; Thu, 16 Feb 2006 02:53:10 -0800 (PST)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com;
	h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
	b=m9gTNRdTy9RD3UsscEvHX7CzvwALDeJZvSQMsFbT/s2RdrHfChVA512hZEZzAPitDRtC4q5XLG+mt4/3dgTu2UvWChhXcikUxyk2vYiV2qDKa61/Pnl0i78J6in+pPaCnFBRutKt4JsB2kxoqkch1QlJdkiWnJvQkd1AaehPHvg=
Received: by 10.36.12.7 with SMTP id 7mr799068nzl;
	Thu, 16 Feb 2006 02:53:10 -0800 (PST)
Received: by 10.37.20.11 with HTTP; Thu, 16 Feb 2006 02:53:10 -0800 (PST)
Message-ID: <cb5206420602160253n15585d25ocb482ecd62d373b1@mail.gmail.com>
Date: Thu, 16 Feb 2006 13:53:10 +0300
From: Andrew Pantyukhin <infofarmer@gmail.com>
To: Chuck Swiger <cswiger@mac.com>
In-Reply-To: <43F3EE83.6060702@mac.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
References: <cb5206420602151245j19b37f18g90b3a91fb71beb6d@mail.gmail.com>
	<43F3EE83.6060702@mac.com>
Cc: FreeBSD Questions <questions@freebsd.org>
Subject: Re: natd with several alias IPs
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 16 Feb 2006 10:53:14 -0000

On 2/16/06, Chuck Swiger <cswiger@mac.com> wrote:
> Andrew Pantyukhin wrote:
> > I wonder, what tricks do you use to use more than
> > one alias IP? I mean, if you have hundreds of
> > hosts behind your firewall, what can you do to alias
> > some of them to one ip, others to another and so on.
>
> See "man natd" about the following options for 1-to-1 NAT translation, wh=
ich can
> be put into /etc/natd.conf and processed automagicly when the machine boo=
ts:
>
>      -redirect_address localIP publicIP

That's one trick. Do you use it in production? How many
hosts do you have mapped this way? How do you get
incoming traffic translated to the address it is meant
for, not the last address?