Date: Fri, 10 Aug 2001 09:02:56 +1200 From: Jonathan Chen <jonathan.chen@itouch.co.nz> To: GARGIULO Eduardo INGDESI <YAPEDU@SIDERAR.COM> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: custom setup Message-ID: <20010810090256.B93773@itouchnz.itouch> In-Reply-To: <F06719ACCB96D311B52C0008C7B1518B02A25D2C@SARZSEX2>; from YAPEDU@SIDERAR.COM on Thu, Aug 09, 2001 at 11:47:25AM -0300 References: <F06719ACCB96D311B52C0008C7B1518B02A25D2C@SARZSEX2>
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On Thu, Aug 09, 2001 at 11:47:25AM -0300, GARGIULO Eduardo INGDESI wrote:
> Hi. I'm running debian GNU/Linux and I'm interested in switch to FreeBSD.
> I want to know if is possible to configure a system like i'm using now
> under FreeBSD.
> The layout is the following
>
> internet --- router ---- eth0 linuxbox eth1 --- switch
> |
> --- eth2 --- switch
>
> I have a small class C network (6 IP addresses).
> eth1 IP address is 0.0.0.0 and I'm using ARP to map the internal servers
> with real IPs. I'm using ipmasquerading throw eth2 to allow internal
> workstation (private network IPs) surf Internet and also using ipforward
> to allow external clientes connect internal servers with private nework IP.
>
> I know is possible to nat internal LAN under FreeBSD but I don't know if
> is possible to forward external request to internal hosts and to use ARP
> to map internal servers.
With FreeBSD's natd(8) there's no need to do funky ARP mappings. The
natd(8) program has the following options which I think will do what
you want:
-redirect_address localIP publicIP
-redirect_port proto targetIP[:targetPORT] remoteIP[:remotePort]
Cheers.
--
Jonathan Chen <jonathan.chen@itouch.co.nz>
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"Nyuck, nyuck, nyuck" - Curly
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