From owner-freebsd-ipfw Thu Jul 25 2:51:21 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 F30A537B400 for ; Thu, 25 Jul 2002 02:51:18 -0700 (PDT) Received: from skynet.stack.nl (insgate.stack.nl [131.155.140.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8449A43E6E for ; Thu, 25 Jul 2002 02:51:18 -0700 (PDT) (envelope-from marcolz@stack.nl) Received: from toad.stack.nl (toad.stack.nl [2001:610:1108:5010:202:b3ff:fe17:9e1a]) by skynet.stack.nl (Postfix) with ESMTP id A69F64012; Thu, 25 Jul 2002 11:51:14 +0200 (CEST) Received: by toad.stack.nl (Postfix, from userid 333) id 5913998D1; Thu, 25 Jul 2002 11:51:17 +0200 (CEST) Date: Thu, 25 Jul 2002 11:51:17 +0200 From: Marc Olzheim To: Luigi Rizzo Cc: Marc Olzheim , ipfw@FreeBSD.ORG Subject: Re: RFC: ipfw behaviour with non IPv4 packets Message-ID: <20020725095117.GA48178@stack.nl> References: <20020725001652.A94913@iguana.icir.org> <20020725090636.GA39394@stack.nl> <20020725023510.A96102@iguana.icir.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020725023510.A96102@iguana.icir.org> User-Agent: Mutt/1.4i X-Operating-System: FreeBSD toad.stack.nl 4.6-STABLE FreeBSD 4.6-STABLE X-URL: http://www.stack.nl/~marcolz/ 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 > > 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. That would be the nice way to do it. During a transition period you could have the strict compatibility as default. > > in any case, i do not care too much -- i have no strong > interest in v6 so either way is fine with me. I do. I welcome support for IPv6 in ipfw2 itself, instead of the separate ip6fw stuff, but a smooth transition would be nice. Marc To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ipfw" in the body of the message