Date: Wed, 08 Sep 1999 09:21:49 -0700 From: dmp@aracnet.com To: "Jeffrey J. Mountin" <jeff-ml@mountin.net> Cc: freebsd-security@FreeBSD.ORG Subject: Re: Layer 2 ethernet encryption? Message-ID: <37D68D1D.14D6CAC7@aracnet.com> References: <Pine.BSF.4.10.9909070955040.23589-100000@bsdie.rwsystems.net> <3.0.3.32.19990908100024.01d18800@207.227.119.2>
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"Jeffrey J. Mountin" wrote: > At 01:06 AM 9/8/99 -0700, dmp@aracnet.com wrote: >>James Wyatt wrote: >>> >>> There are nice 10bT to fiber (fibre in the UK) converters in the BlackBox >>> catalog (catalogue). You chould put these oh-so-close to the router or >>> switch in the equipment space - maybe even braid the 10bT cables to >>> confuse any listeners there. Then 10bF cards in the machines ensure no EMI >>> emitted in the unsecure area. - Jy@ >> >>You'll still have EM leakage at the converter and insecure traffic. >>Plus, you can tap a fibre line almost as easily as you can tap a UTP >>line. > > Grounded shield at the converter would solve the EM, but would make moving > connections a real pain. That's why we have technical assistants. :-) > One has to wonder why security is so paramount (barring you admitted > paranoia). Or does that require a clearance. 8-) What, you mean I have to actually *have* a reason for all this? ;) > As for anothers mention of TEMPEST, you should check out: > > http://www.eskimo.com/~joelm/tempest.html Coincidentally, I already had that page bookmarked. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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