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Date:      Wed, 13 Dec 2000 17:42:49 +0100
From:      Szilveszter Adam <sziszi@petra.hos.u-szeged.hu>
To:        freebsd-security@FreeBSD.ORG
Subject:   Re: 911 lockdown!
Message-ID:  <20001213174249.L24233@petra.hos.u-szeged.hu>
In-Reply-To: <xzpn1e0l1ss.fsf@flood.ping.uio.no>; from des@ofug.org on Wed, Dec 13, 2000 at 05:32:35PM %2B0100
References:  <Pine.BSF.4.21.0012131048420.489-100000@www.freebsdbox.com> <xzpn1e0l1ss.fsf@flood.ping.uio.no>

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Hello!

On Wed, Dec 13, 2000 at 05:32:35PM +0100, Dag-Erling Smorgrav wrote:
> > 587/tcp    open        submission
> 
> This is probably a back door the intruder left behind. Use sockstat(1)
> to determine which process owns the socket, and kill it (and make sure
> it doesn't restart when you reboot)
> 

Uhm, if he is running sendmail (a recent version,) than it may be just
that: sendmail now runs on two ports, 25 and 587 unless configured
otherwise. OTB it will listen on both ports. Esp since he said that
telnetting to this port starts up a sendmail which is expected behaviour.

--
Regards:

Szilveszter ADAM
Szeged University
Szeged Hungary


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