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Date:      Fri, 3 Jan 2003 12:39:52 -0800 (PST)
From:      randall ehren <randall@ucsb.edu>
To:        Hari Bhaskaran <subscr@spider.netmails.net>
Cc:        <freebsd-questions@freebsd.org>
Subject:   Re: incoming bandwidth limiting using ipfilter
Message-ID:  <Pine.BSF.4.33.0301031238550.72474-100000@isber.ucsb.edu>
In-Reply-To: <20030103143545.A83820@spider.netmails.net>

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> 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


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