From owner-freebsd-questions@FreeBSD.ORG Thu Feb 22 14:30:36 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id CC9F116A492 for ; Thu, 22 Feb 2007 14:30:36 +0000 (UTC) (envelope-from fbsd06@mlists.homeunix.com) Received: from mxout-03.mxes.net (mxout-03.mxes.net [216.86.168.178]) by mx1.freebsd.org (Postfix) with ESMTP id A71ED13C494 for ; Thu, 22 Feb 2007 14:30:36 +0000 (UTC) (envelope-from fbsd06@mlists.homeunix.com) Received: from gumby.homeunix.com (unknown [87.81.140.128]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.mxes.net (Postfix) with ESMTP id 4E1AD51985 for ; Thu, 22 Feb 2007 09:30:35 -0500 (EST) Date: Thu, 22 Feb 2007 14:30:30 +0000 From: RW To: freebsd-questions@freebsd.org Message-ID: <20070222143030.0b858e86@gumby.homeunix.com> In-Reply-To: <19861fba0702211038p3144271ey1e30cf67311678ef@mail.gmail.com> References: <200702202021.55723.pablo.fernandez@rs.com.ar> <19861fba0702211038p3144271ey1e30cf67311678ef@mail.gmail.com> X-Mailer: Claws Mail 2.7.2 (GTK+ 2.10.9; i386-portbld-freebsd6.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: PF slowing down file copies X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Feb 2007 14:30:36 -0000 On Wed, 21 Feb 2007 19:38:39 +0100 J65nko wrote: > For keeping state on TCP connections you should only create state on > the first packet of the 3 way TCP handshake. Using "flags S/SA" will > ensure this. This will prevent problems with TCP windows scaling.. Why? Creating a state entry causes subsequent packets, in the same tcp connection, to bypass the rules altogether.