From owner-freebsd-questions  Wed Jul 11 10:55:38 2001
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Date: Wed, 11 Jul 2001 10:55:34 -0700 (PDT)
From: Michael Tang Helmeste <dbzgoku_gt@yahoo.com>
Subject: Re: natd
To: freebsd-questions@freebsd.org
In-Reply-To: <20010711110046.O2710-100000@zoraida.natserv.net>
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Unfortunately, the server is at my friend's house for
the summer, and so I no longer have physical access to
it. The OS was freebsd 4.2.

When I was telnet'd in to the machine behind it, I was
using ssh through the NAT gateway machine to it.

--- Francisco Reyes <lists@natserv.com> wrote:
> On Wed, 11 Jul 2001, Michael Tang Helmeste wrote:
> 
> > I have a machine which acts as a NAT gateway for a
> > network. I was recently going to change the
> > configuration of natd, and so I killed off natd.
> On a
> > machine behind it, I could ping out, but then
> > suddenly, all my connections to the NAT gateway
> > machine were dropped. I can no longer ping the NAT
> > gateway from it's external IP, or contact it. Any
> idea
> > what happened?
> 
> 
> I don't have an answer, but I do think you need to
> indicate you OS
> version. Just saw some other emails and older
> versions of FreeBSD seem to
> behave different when natd is initialized.
> 
> Did you try rebooting the machine?
> 
> Also I am not clear what you mean that you can not
> contact the machine
> from outside. The natd interface should only affect
> packets going from
> to/from the internal network. I don't see how the
> external interface would
> be down because of something you did with natd.
> 
> How about giving us:
> -ifconfig output (just the basics like below)
> fxp0:
> flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>
> mtu 1500
>         inet 192.168.10.1 netmask 0xffffff00
> broadcast 192.168.10.255
> ed0:
> flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>
> mtu 1500
>         inet 66.114.65.147 netmask 0xffffff00
> broadcast 66.114.65.255
> 
> -rc.conf settings related to natd (like below)
> natd_enable="YES"            # Enable natd (if
> firewall_enable == YES).
> natd_interface="ed0"         # Public interface or
> IPaddress
> 
> 
> 
> 
> 
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=====
We don't understand the software, and sometimes we don't understand the
hardware, but we can *see* the blinking lights!
--
We've sent a man to the moon, and that's 29,000 miles away.  The center
of the Earth is only 4,000 miles away.  You could drive that in a week,
but for some reason nobody's ever done it.
                -- Andy Rooney

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