From owner-freebsd-net@FreeBSD.ORG  Fri May 30 06:30:55 2003
Return-Path: <owner-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 D742D37B401
	for <freebsd-net@freebsd.org>; Fri, 30 May 2003 06:30:55 -0700 (PDT)
Received: from arthur.nitro.dk (port324.ds1-khk.adsl.cybercity.dk
	[212.242.113.79])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 2DDD043FB1
	for <freebsd-net@freebsd.org>; Fri, 30 May 2003 06:30:55 -0700 (PDT)
	(envelope-from simon@arthur.nitro.dk)
Received: by arthur.nitro.dk (Postfix, from userid 1000)
	id 3ADAE10BF82; Fri, 30 May 2003 15:30:53 +0200 (CEST)
Date: Fri, 30 May 2003 15:30:53 +0200
From: "Simon L. Nielsen" <simon@nitro.dk>
To: Andrew Gallatin <gallatin@cs.duke.edu>
Message-ID: <20030530133052.GC414@nitro.dk>
References: <16087.23499.422415.378026@grasshopper.cs.duke.edu>
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="m51xatjYGsM+13rf"
Content-Disposition: inline
In-Reply-To: <16087.23499.422415.378026@grasshopper.cs.duke.edu>
User-Agent: Mutt/1.5.4i
cc: freebsd-net@freebsd.org
Subject: Re: limiting connections per IP w/FreeBSD ftpd?
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 30 May 2003 13:30:56 -0000


--m51xatjYGsM+13rf
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On 2003.05.30 09:25:31 -0400, Andrew Gallatin wrote:
>=20
> At my company, some bonehead (not sure if it was maliciousness or just
> a stupid customer), opened 60 simultaneous connections to our ftp
> server and totally swamped our T1.    This is the second or third time
> this has happened recently.

How about just restricting the bandwidth usage with ipfw/dummynet ?

--=20
Simon L. Nielsen

--m51xatjYGsM+13rf
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.2 (FreeBSD)

iD8DBQE+110M8kocFXgPTRwRAkaHAJ4+Ul7gZTXFafGhe23VJ1V2KLzUjACeOaEE
Fsj6B1QtVjljVOnV3OEV/1Y=
=wY3L
-----END PGP SIGNATURE-----

--m51xatjYGsM+13rf--