Date: Thu, 18 Jan 1996 17:58:29 -0500 (EST) From: David J Meltzer <davem+@andrew.cmu.edu> To: freebsd-questions@freefall.FreeBSD.org Cc: questions@FreeBSD.org Subject: Re: ethernet packet sniffer. Message-ID: <skzh2J200YUx4rfdQY@andrew.cmu.edu> In-Reply-To: <9601181938.AA23886@atuhc16.atusks01.aut.alcatel.at> References: <9601181938.AA23886@atuhc16.atusks01.aut.alcatel.at>
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Excerpts from internet.computing.freebsd-questions: 18-Jan-96 Re:
ethernet packet sniffer. by marino.ladavac@aut.alcat
> > Mike, I'm not saying it would be practical, but if her networking
> > department happens to have a Time Domain Reflectometer, which is common
> > communications equipment for high speed cables (many cable companies have
> > one) then every tap can be detected. A TDR would spot everything, even
> > unused BNC taps.
>
> So would a Frequency Domain Reflectometer.
>
Is this for a connection made/not made, or can it actually determine if
a ethernet card on the network is being run in promiscuous mode or not, which
I think was the original question (and if so, could someone explain how)?
/-------------\
|David Meltzer|
|davem@cmu.edu|
/--------------------------\
|School of Computer Science|
|Carnegie Mellon University|
\--------------------------/
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