From owner-freebsd-net@FreeBSD.ORG Thu Sep 18 16:19:06 2003 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 9695616A4B3; Thu, 18 Sep 2003 16:19:06 -0700 (PDT) Received: from genius.tao.org.uk (genius.tao.org.uk [212.135.162.51]) by mx1.FreeBSD.org (Postfix) with ESMTP id 501B343FAF; Thu, 18 Sep 2003 16:19:05 -0700 (PDT) (envelope-from joe@genius.tao.org.uk) Received: by genius.tao.org.uk (Postfix, from userid 100) id 7F7864248; Fri, 19 Sep 2003 00:19:03 +0100 (BST) Date: Fri, 19 Sep 2003 00:19:03 +0100 From: Josef Karthauser To: Robert Watson Message-ID: <20030918231903.GC41432@genius.tao.org.uk> References: <20030918123203.GC13474@genius.tao.org.uk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="s9fJI615cBHmzTOP" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.4i cc: freebsd-net@FreeBSD.org Subject: Re: Traffic analysis ports? 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: Thu, 18 Sep 2003 23:19:06 -0000 --s9fJI615cBHmzTOP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 18, 2003 at 02:14:23PM -0400, Robert Watson wrote: >=20 > On Thu, 18 Sep 2003, Josef Karthauser wrote: >=20 > > I'm looking for some software to basically analyse the traffic I've got > > going over a particular pipe so that I can work out whether or what to > > traffic shape. Can anyone recommend anything?=20 >=20 > I tend to cut my own BPF-based tools as needed to measure particular types > of traffic, but that's not a very scalable approach. There are commercial > products, such as NAI's Sniffer tool (I think it can read playback from > pcap output), which claim to be able to help with that sort of analysis, > but I've never really used them. For a "first cut" visualization of > currently active network connections, tools such as ntop, trafshow, > tcpstat, etc, can actually provide surprising amounts of insight. >=20 Ahha, ntop. That looks like just the kind of thing I was looking for. Thanks :). Joe --=20 Josef Karthauser (joe@tao.org.uk) http://www.josef-k.net/ FreeBSD (cvs meister, admin and hacker) http://www.uk.FreeBSD.org/ Physics Particle Theory (student) http://www.pact.cpes.sussex.ac.uk/ =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D An eclectic mix of fact an= d theory. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --s9fJI615cBHmzTOP Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iEYEARECAAYFAj9qPWYACgkQXVIcjOaxUBYOoQCg1ie8KUUEvHNfKIbsBxs5Gm5u hrQAoKfEYW8DD8jwOm6FrPBFEF5XLZhH =9C5M -----END PGP SIGNATURE----- --s9fJI615cBHmzTOP--