From owner-freebsd-pf@FreeBSD.ORG Wed Aug 1 13:58:14 2007 Return-Path: Delivered-To: freebsd-pf@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B9D3B16A417 for ; Wed, 1 Aug 2007 13:58:14 +0000 (UTC) (envelope-from Greg.Hennessy@nviz.net) Received: from smtp1.bethere.co.uk (smtp1.betherenow.co.uk [87.194.0.68]) by mx1.freebsd.org (Postfix) with ESMTP id 81A7C13C4B3 for ; Wed, 1 Aug 2007 13:58:14 +0000 (UTC) (envelope-from Greg.Hennessy@nviz.net) Received: from thebeast (87-194-161-158.bethere.co.uk [87.194.161.158]) by smtp1.bethere.co.uk (Postfix) with SMTP id C729498076; Wed, 1 Aug 2007 14:37:07 +0100 (BST) From: "Greg Hennessy" To: "'Patrick Proniewski'" , References: In-Reply-To: Date: Wed, 1 Aug 2007 14:37:07 +0100 Message-ID: <001101c7d441$0f61aa10$2e24fe30$@Hennessy@nviz.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AcfUM8n0blugMnU4SfiKArbHy3ZbYQADP7fA Content-Language: en-gb X-Antivirus: avast! (VPS 000762-5, 31/07/2007), Outbound message X-Antivirus-Status: Clean Cc: Subject: RE: strange "throttling" issue with pf on xDSL connection X-BeenThere: freebsd-pf@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Technical discussion and general questions about packet filter \(pf\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Aug 2007 13:58:14 -0000 > Hi > > Two of us have found out a very strange issue with pf on FreeBSD 6.2 > on a xDSL connection. > Posting a copy of your pf.conf and trawling the logs for drops around the same time as the transfers are underway would be useful. You're possibly meeting an issue with tcp window scaling and keeping state on something other than Flags S/A. Greg