From owner-freebsd-ipfw Thu Jul 25 2:35:15 2002 Delivered-To: freebsd-ipfw@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9177A37B400 for ; Thu, 25 Jul 2002 02:35:13 -0700 (PDT) Received: from iguana.icir.org (iguana.icir.org [192.150.187.36]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5027E43E81 for ; Thu, 25 Jul 2002 02:35:13 -0700 (PDT) (envelope-from rizzo@iguana.icir.org) Received: (from rizzo@localhost) by iguana.icir.org (8.11.6/8.11.3) id g6P9ZAt96170; Thu, 25 Jul 2002 02:35:10 -0700 (PDT) (envelope-from rizzo) Date: Thu, 25 Jul 2002 02:35:10 -0700 From: Luigi Rizzo To: Marc Olzheim Cc: ipfw@FreeBSD.ORG Subject: Re: RFC: ipfw behaviour with non IPv4 packets Message-ID: <20020725023510.A96102@iguana.icir.org> References: <20020725001652.A94913@iguana.icir.org> <20020725090636.GA39394@stack.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20020725090636.GA39394@stack.nl>; from marcolz@stack.nl on Thu, Jul 25, 2002 at 11:06:36AM +0200 Sender: owner-freebsd-ipfw@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, Jul 25, 2002 at 11:06:36AM +0200, Marc Olzheim wrote: > > I am a bit uncertain on what is the best path, but i believe a > > reasonable one is to assume > > > > "ip" = "any" --> any IP packet (v4 or v6) > > > > and similarly > > > > "proto" --> any packet of protocol "proto" over IP (v4 or v6) > > > > Comments ? > > Wouldn't that break backward compatibility with IPFW1 ? on one hand, yes. on the other hand, ipfw1 is not supposed to see anything else but ipv4 packets in my view this gives us a reasonable amount of backward compatibility, and we can even provide switches (sysctl i would say) to achieve even stricter ipfw1 compatibility. in any case, i do not care too much -- i have no strong interest in v6 so either way is fine with me. cheers luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ipfw" in the body of the message