Date: Thu, 18 Jan 96 20:38:38 MET From: marino.ladavac@aut.alcatel.at To: chuckr@glue.umd.edu (Chuck Robey) Cc: questions@freebsd.org Subject: Re: ethernet packet sniffer. Message-ID: <9601181938.AA23886@atuhc16.atusks01.aut.alcatel.at> In-Reply-To: <Pine.SUN.3.91.960118103037.1500A-100000@mocha.eng.umd.edu>; from "Chuck Robey" at Jan 18, 96 10:34 am
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> 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. Which reminds me: we built one of those for some 20 USD worth of parts (and 5k USD worth of HP signal analyzer, but we had that lying on the bench already; talking about cheap hack :) /Alby
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