From owner-freebsd-questions@FreeBSD.ORG  Thu Mar  4 09:07:48 2004
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
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 A351616A4CE
	for <questions@freebsd.org>; Thu,  4 Mar 2004 09:07:48 -0800 (PST)
Received: from cactus.fi.uba.ar (cactus.fi.uba.ar [157.92.49.108])
	by mx1.FreeBSD.org (Postfix) with ESMTP id C841E43D1D
	for <questions@freebsd.org>; Thu,  4 Mar 2004 09:07:47 -0800 (PST)
	(envelope-from fgleiser@cactus.fi.uba.ar)
Received: from cactus.fi.uba.ar (cactus.fi.uba.ar [157.92.49.108])
	by cactus.fi.uba.ar (8.12.3/8.12.3) with ESMTP id i24H8FRr026160;
	Thu, 4 Mar 2004 14:08:15 -0300 (ART)
	(envelope-from fgleiser@cactus.fi.uba.ar)
Date: Thu, 4 Mar 2004 14:08:15 -0300 (ART)
From: Fernando Gleiser <fgleiser@cactus.fi.uba.ar>
To: Francisco Reyes <lists@natserv.com>
In-Reply-To: <20040304114040.T11547@zoraida.natserv.net>
Message-ID: <20040304140617.T26149-100000@cactus.fi.uba.ar>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
X-Scanned-By: MIMEDefang 2.39
cc: FreeBSD Questions List <questions@freebsd.org>
Subject: Re: Monitoring TCP/IP traffic
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 04 Mar 2004 17:07:48 -0000

On Thu, 4 Mar 2004, Francisco Reyes wrote:

>
> Is there is anything like TOP for TCP/IP?

yes, ntop :)

> I saw ntop in ports, but it seems only analyzes LAN/internal subnet.

You need to tweak its configuration t make it listen on the tun0 interface.

Take a look at ngrep too. and snort fr logging suspicious activity.


		Fer