From owner-freebsd-net@FreeBSD.ORG Sat Mar 25 12:07:39 2006 Return-Path: X-Original-To: freebsd-net@freebsd.org 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 2E58E16A400 for ; Sat, 25 Mar 2006 12:07:39 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from pi.codefab.com (pi.codefab.com [199.103.21.227]) by mx1.FreeBSD.org (Postfix) with ESMTP id BD79443D46 for ; Sat, 25 Mar 2006 12:07:38 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from localhost (localhost [127.0.0.1]) by pi.codefab.com (Postfix) with ESMTP id ECE1A5CFC; Sat, 25 Mar 2006 07:07:37 -0500 (EST) Received: from pi.codefab.com ([127.0.0.1]) by localhost (pi.codefab.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 57114-07; Sat, 25 Mar 2006 07:07:37 -0500 (EST) Received: from [192.168.1.3] (pool-68-160-194-11.ny325.east.verizon.net [68.160.194.11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pi.codefab.com (Postfix) with ESMTP id B947C5C6B; Sat, 25 Mar 2006 07:07:36 -0500 (EST) Message-ID: <44253288.4030700@mac.com> Date: Sat, 25 Mar 2006 07:07:36 -0500 From: Chuck Swiger Organization: The Courts of Chaos User-Agent: Thunderbird 1.5 (Windows/20051201) MIME-Version: 1.0 To: Phil Regnauld References: <944074f30603241446i33f5eb26p187b2d7ff23d73de@mail.gmail.com> <20060325091619.GA96723@moof.catpipe.net> In-Reply-To: <20060325091619.GA96723@moof.catpipe.net> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at codefab.com Cc: Paul Haddad , freebsd-net@freebsd.org Subject: Re: Non dropping packet monitor X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Mar 2006 12:07:39 -0000 Phil Regnauld wrote: > Charles Swiger (cswiger) writes: >>> Any suggestions? Is there some pcap option that I need to look at? >> If your dumps will fit into a RAM disk, use that, otherwise you're >> presumably [1] going to be limited to how fast you can scribble the >> packets to your disks. Figure out the fastest you can do that, and >> then use dummynet to limit your network bandwidth to what your system >> is capable of capturing... > > I seem to remember that IPFlter has a facility for logging > packets where it's possible to deny forwarding of packets > if the process reading the logging socket has disappeared > or isn't reading fast enough. Am I wrong ? I'm not sure. :-) If what you've suggested _is_ available, it would be a better solution to the original problem.... -- -Chuck