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Date:      Sun, 30 Apr 2006 22:58:54 +0200
From:      Frank Steinborn <steinex@nognu.de>
To:        freebsd-questions@freebsd.org
Subject:   Re: Hacked? How can I tell what process is sending packets from a particular port (udp/55613)?
Message-ID:  <20060430205854.GA6843@shodan.nognu.de>
In-Reply-To: <73cb07950604301352w15a543d7sb3828504ca416da8@mail.gmail.com>
References:  <73cb07950604301352w15a543d7sb3828504ca416da8@mail.gmail.com>

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boink wrote:
> Dear FreeBSD,
> 
> I see outbound packets from udp/55613, one every 5 seconds, to a
> single non-routable (10....) IP, with destination port increasing by 1
> with each packet, with expected ICMP Destination net unreachables from
> an upstream router.
> 
> AFAIK, there's no reason for this and I don't like it - how can I tell
> which process is sending the packets?
> 
> With thanks in advance,
> boink

Try to catch the process with "sockstat -46p 55613"

HTH,
Frank



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