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Date:      Fri, 19 Jan 96 10:16:54 MET
From:      marino.ladavac@aut.alcatel.at
To:        julian@ref.tfs.com (Julian Elischer)
Cc:        questions@freebsd.org
Subject:   Re: ethernet packet sniffer.
Message-ID:  <9601190916.AA04378@atuhc16.atusks01.aut.alcatel.at>
In-Reply-To: <199601190314.TAA05783@ref.tfs.com>; from "Julian Elischer" at Jan 18, 96 7:14 pm

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> > 
> > No, it only would reveal physical connections,  Mike Smith was right 
> > about what he said, there isn't any way to detect a receiver.  This would 
> > only detect extra cable taps that a network administrator didn't know 
> > about.  And it wouldn't reveal what those taps were doing, either, just 
> > that they existed.
> They wouldn't reveal a nonintrusive high impedance tap..

It might.  The break in insulation you would create when you are
attaching your tap might be a visible enough discontinuity.  BNC
connectors are easily visible even though they are loaded with a
matching load.

/Alby

> > 




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