Date: Fri, 19 Jan 1996 11:06:24 +1030 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: chuckr@glue.umd.edu (Chuck Robey) Cc: msmith@atrad.adelaide.edu.au, ANDRSN@HOOVER.STANFORD.EDU, hsu@freefall.freebsd.org, questions@FreeBSD.org Subject: Re: ethernet packet sniffer. Message-ID: <199601190036.LAA07921@genesis.atrad.adelaide.edu.au> In-Reply-To: <Pine.SUN.3.91.960118103037.1500A-100000@mocha.eng.umd.edu> from "Chuck Robey" at Jan 18, 96 10:34:33 am
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Chuck Robey stands accused of saying: > > > > > like, say, a radar detector that determines if anyone else is doing > > > this on "my net"? > > > > Not in any practical sense, no. > > 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. That doesn't tell you whether someone is _listening_ on the tap, which was the point of the question. > Chuck Robey chuckr@eng.umd.edu -- I run FreeBSD on n3lxx and Journey2 -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] "Who does BSD?" "We do Chucky, we do." [[
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