From owner-freebsd-net@FreeBSD.ORG Thu May 13 01:23:45 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 846D816A4CE; Thu, 13 May 2004 01:23:45 -0700 (PDT) Received: from xorpc.icir.org (xorpc.icir.org [192.150.187.68]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4309A43D53; Thu, 13 May 2004 01:23:45 -0700 (PDT) (envelope-from rizzo@icir.org) Received: from xorpc.icir.org (localhost [127.0.0.1]) by xorpc.icir.org (8.12.9p1/8.12.8) with ESMTP id i4D8Nigd015420; Thu, 13 May 2004 01:23:44 -0700 (PDT) (envelope-from rizzo@xorpc.icir.org) Received: (from rizzo@localhost) by xorpc.icir.org (8.12.9p1/8.12.3/Submit) id i4D8Nie5015419; Thu, 13 May 2004 01:23:44 -0700 (PDT) (envelope-from rizzo) Date: Thu, 13 May 2004 01:23:44 -0700 From: Luigi Rizzo To: Eugene Grosbein Message-ID: <20040513012344.A12373@xorpc.icir.org> References: <40A3393F.1391943E@kuzbass.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <40A3393F.1391943E@kuzbass.ru>; from eugen@kuzbass.ru on Thu, May 13, 2004 at 05:00:47PM +0800 cc: ipfw@freebsd.org cc: net@freebsd.org Subject: Re: ipfw: reset tcp X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 May 2004 08:23:45 -0000 On Thu, May 13, 2004 at 05:00:47PM +0800, Eugene Grosbein wrote: > Hi! > > When a rule 'reset tcp' matches, a kernel generates new TCP packet. > Will it have to go through ipfw list (from the beginning or not)? ipfw2 uses an mbuf flag to bypass the firewall - I am not sure if i only used it for the keepalives or also for TCP reset packets cheers luigi