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Date:      Wed, 29 Nov 2000 10:07:27 -0500 (EST)
From:      Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To:        Wes Peters <wes@softweyr.com>
Cc:        freebsd-security@FreeBSD.ORG
Subject:   Re: NATD: failed to write packet back (Permission denied)
Message-ID:  <200011291507.KAA16392@khavrinen.lcs.mit.edu>
In-Reply-To: <3A24AC77.51EF28C@softweyr.com>
References:  <001701c057c4$1e1ac010$0200a8c0@n2> <20001126110756.C34151@149.211.6.64.reflexcom.com> <000b01c057dd$f9423ab0$0200a8c0@n2> <20001126113720.A70192@149.211.6.64.reflexcom.com> <3A2183E7.6039C582@FreeBSD.org> <20001126140033.E70192@149.211.6.64.reflexcom.com> <3A218C5B.9F677E51@FreeBSD.org> <200011270130.UAA88239@khavrinen.lcs.mit.edu> <3A221402.D88321D8@softweyr.com> <14882.49100.131730.989201@nomad.yogotech.com> <3A24AC77.51EF28C@softweyr.com>

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<<On Wed, 29 Nov 2000 00:12:55 -0700, Wes Peters <wes@softweyr.com> said:

> I get scanned several times a day.

My networks (12 x /16) get scanned continuously for one thing or
another.[1] Everyone who puts a machine on the network is required to
take responsibility for configuring it securely, and they know that
I'll cut them off at the first hint of trouble.  On my home machine, I
am perfectly capable of only configuring those services which I
actually need.

-GAWollman

[1] According to my ARP table, there are scans going on right now on
all but two of my networks.  The other two are probably also being
scanned, but those networks are subnetted and thus don't leave
telltale traces in the ARP table.


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