From owner-freebsd-questions@FreeBSD.ORG  Tue Mar 25 11:10:57 2014
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 8620E719
 for <freebsd-questions@freebsd.org>; Tue, 25 Mar 2014 11:10:57 +0000 (UTC)
Received: from mail-yh0-x22c.google.com (mail-yh0-x22c.google.com
 [IPv6:2607:f8b0:4002:c01::22c])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 4A7E4BDE
 for <freebsd-questions@freebsd.org>; Tue, 25 Mar 2014 11:10:57 +0000 (UTC)
Received: by mail-yh0-f44.google.com with SMTP id f10so224219yha.31
 for <freebsd-questions@freebsd.org>; Tue, 25 Mar 2014 04:10:56 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=mime-version:sender:in-reply-to:references:date:message-id:subject
 :from:to:cc:content-type:content-transfer-encoding;
 bh=KvKVDWOmW8sxr28BEBQqog1QcC6tOoqx436GGWColtE=;
 b=QXiqnNy79sPF1mDErqVCex55JYBpQGnZRNA6wv9Dw+gnMiZdgON9NnlEWS6Nwq60al
 9MwsWwaC1oPXDQCOiR1QEzd4sz2UR333RoBGmi6cVS/B87D0zgdXjQ0Xvoboy1t6qH6X
 RkaOca0YiqxU3hDP8V5UyAOalm9xvVaml8kbkS2C1L5SVsrPGojCAgpo+ZS9wCt6DKLy
 VfrrACv4/cbNWhXSdmeb82pKBs3IoCSE/wDUfxd50K0DJ+nKMXp0zFGqe93MM/EoWWyL
 3RZmMWLsD1J4lOEle/NbnIZn32IMp4ZaZgXkppEbhxdL7S0zRH8c6oEd1yDJBI6le9WG
 FJ2Q==
MIME-Version: 1.0
X-Received: by 10.236.159.165 with SMTP id s25mr71038691yhk.24.1395745856488; 
 Tue, 25 Mar 2014 04:10:56 -0700 (PDT)
Sender: fluca1978@gmail.com
Received: by 10.170.166.4 with HTTP; Tue, 25 Mar 2014 04:10:56 -0700 (PDT)
In-Reply-To: <alpine.BSF.2.00.1403241422000.56113@mail.fig.ol.no>
References: <533030BC.60306@webrz.net>
 <alpine.BSF.2.00.1403241422000.56113@mail.fig.ol.no>
Date: Tue, 25 Mar 2014 12:10:56 +0100
X-Google-Sender-Auth: AGH6IjjcCqFelgKo9naald2lfJM
Message-ID: <CAKoxK+5nf7APTsr1gQ2T+_cPJXT36=6GtkeuXX-PAniV5F+5_A@mail.gmail.com>
Subject: Re: Real time traffic overview
From: Luca Ferrari <fluca1978@infinito.it>
To: Jos Chrispijn <kernel@webrz.net>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Cc: "freebsd-questions@FreeBSD.org" <freebsd-questions@freebsd.org>
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/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: Tue, 25 Mar 2014 11:10:57 -0000

On Mon, Mar 24, 2014 at 2:23 PM, Trond Endrest=F8l
<Trond.Endrestol@fagskolen.gjovik.no> wrote:
> On Mon, 24 Mar 2014 14:18+0100, Jos Chrispijn wrote:
>
>>    Running my server on FreeBSD 9.2 in the DMZ, I would like to know if
>>    there is a program / graphical user interface on which I _real_time_
>>    can see  what kind of traffic is entering my server (ports)? Running
>>    ipfw but that is more statical / once a day list overview.
>
> Unless you also need to monitor IPv6 traffic, have a look at
> net-mgmt/iftop.

Based on my personal experience, spend a little more time configuring
a flow analysis system (flowtools). It will give you the capability to
analyze traffic offline.
For the online/real time part use ethereal or wireshark or something alike.

Luca