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Date: Fri, 11 Jul 2003 02:36:31 +0200 (CEST)
From: "P. U. Kruppa" <root@pukruppa.de>
To: Vulpes Velox <kitbsdlists@HotPOP.com>
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cc: brett@lariat.org
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cc: Matthew Emmerton <matt@compar.com>
Subject: Re: Dead natd -> dead system
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On Fri, 11 Jul 2003, Vulpes Velox wrote:

> On Thu, 10 Jul 2003 16:56:12 -0400 (EDT)
> Matthew Emmerton <matt@compar.com> wrote:
>
> > On Thu, 10 Jul 2003, Brett Glass wrote:
> >
> > > While working with a FreeBSD system this afternoon, I did something which killed
> > > natd (the NAT daemon), which was processing packets in the usual way via ipfw
> > > and a divert socket.
> > >
> > > The result? Network communications on the system simply went dead.
> > >
> > > It seems to me that ipfw should be able to "self-heal" (that is, bypass the
> > > rule) or reinvoke a daemon that's attached to a divert socket. Otherwise,
> > > the process that's attached to the socket becomes an Achilles' heel for
> > > the whole system. Crash it for any reason, and the system's offline.
> > >
> > > Ideas?
> >
> > Use kernel-mode IPNAT instead of user-mode natd?
>
> What is kernel-mode IPNAT?
If you are using ppp to dial in, use the options -nat and -ddial
That will keep your connection up 24h/day .

Regards,

Uli.

>
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+-----------------------------------+
|        Peter Ulrich Kruppa        |
|          -  Wuppertal -           |
|              Germany              |
+-----------------------------------+