From owner-freebsd-questions Fri Jan 3 12:40: 6 2003 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3A4A837B401 for ; Fri, 3 Jan 2003 12:40:05 -0800 (PST) Received: from isber.ucsb.edu (research.isber.ucsb.edu [128.111.147.5]) by mx1.FreeBSD.org (Postfix) with ESMTP id D98EF43EC5 for ; Fri, 3 Jan 2003 12:40:04 -0800 (PST) (envelope-from randall@isber.ucsb.edu) Received: from localhost ([127.0.0.1] helo=research.isber.ucsb.edu) by isber.ucsb.edu with esmtp (Exim 3.36 #2) id 18UYbh-000IrE-00; Fri, 03 Jan 2003 12:39:53 -0800 Date: Fri, 3 Jan 2003 12:39:52 -0800 (PST) From: randall ehren To: Hari Bhaskaran Cc: Subject: Re: incoming bandwidth limiting using ipfilter In-Reply-To: <20030103143545.A83820@spider.netmails.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanner: exiscan *18UYbh-000IrE-00*bHbtTXJ8jIo* (ISBER - Institute for Social, Behavioral, and Economic Research) Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > Is there a way to limit incoming traffic (bandwidth) using > ipfilter/ipfw or any such software tool?. I am running a mail > server and I pay per GB transfered. If I have my ISP do the > limiting, they charge extra $$ for it. I know I can limit > incoming mail size via the mail server. But still doesn't > prevent someone from sending a lot of mail or fill up > a 100mbps line for 24 hrs/day. you'll want to lookup information on dummynet: http://info.iet.unipi.it/~luigi/ip_dummynet/ you can use it to shape traffic and limit bandwidth. -randall -- :// randall s. ehren :// voice 805.893.5632 :// systems administrator :// isber|survey|avss.ucsb.edu :// institute for social, behavioral, and economic research To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message