From owner-freebsd-net@FreeBSD.ORG Wed Jan 7 11:48:35 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 8423716A4CE for ; Wed, 7 Jan 2004 11:48:35 -0800 (PST) Received: from cell.sick.ru (cell.sick.ru [217.72.144.68]) by mx1.FreeBSD.org (Postfix) with ESMTP id C7D0043D49 for ; Wed, 7 Jan 2004 11:48:33 -0800 (PST) (envelope-from glebius@cell.sick.ru) Received: from cell.sick.ru (glebius@localhost [127.0.0.1]) by cell.sick.ru (8.12.9/8.12.8) with ESMTP id i07JmTAB051472 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 7 Jan 2004 22:48:29 +0300 (MSK) (envelope-from glebius@cell.sick.ru) Received: (from glebius@localhost) by cell.sick.ru (8.12.9/8.12.6/Submit) id i07JmTWI051471; Wed, 7 Jan 2004 22:48:29 +0300 (MSK) Date: Wed, 7 Jan 2004 22:48:28 +0300 From: Gleb Smirnoff To: Vlad Galu Message-ID: <20040107194828.GB51373@cell.sick.ru> Mail-Followup-To: Gleb Smirnoff , Vlad Galu , freebsd-net@freebsd.org References: <20040107172924.609eeed2.dudu@diaspar.rdsnet.ro> Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline In-Reply-To: <20040107172924.609eeed2.dudu@diaspar.rdsnet.ro> User-Agent: Mutt/1.5.4i cc: freebsd-net@freebsd.org Subject: Re: IP stack peculiarity 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: Wed, 07 Jan 2004 19:48:35 -0000 On Wed, Jan 07, 2004 at 05:29:24PM +0200, Vlad Galu wrote: V> The problem appears when during a TCP connection the FreeBSD machine. V> The 3-way handshake works smoothly, but soon the connection stalls. I V> tcpdump-ed it on both streams(upwards and downwards) and I see nothing V> but ACK's, some of them with the PUSH bit set (this is common for V> webservers). There's no retransmission. The packets just stop being sent V> from my FreeBSD machine. Eventually, the connection times out. Can you provide tcpdump output on this host, and tcpdump on remote host in the Internet, the one you are connecting to? Analyzing this two dumps will help a lot. -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE