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Date: Thu, 04 Mar 2004 17:06:39 +0000
From: Peter Risdon <peter@circlesquared.com>
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To: Francisco Reyes <lists@natserv.com>
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cc: FreeBSD Questions List <questions@freebsd.org>
Subject: Re: Monitoring TCP/IP traffic
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Francisco Reyes wrote:

>As of a few days ago my DSL modem activity light rarely ever goes inactive
>for long.
>
>I am looking for any program anyone could recommend to monitor what's
>going on.
>
>Yesterday I added log options to all my IPFW rules to see if I could find
>anything suspicious. I added log options even to pass rules and the amount
>of activity in the DSL modem seems much more than what is reported by
>IPFW rules.
>
>The machine in question is a 4.9 Stable (as of Dec 29) and it acts as a
>gateway to my other machines.
>
>Is there is anything like TOP for TCP/IP?
>I saw ntop in ports, but it seems only analyzes LAN/internal subnet.
>
>__
>
tcpdump(1) might be what you want.

PWR.