From: frantz@netcom.com (Bill Frantz)
To: “Douglas R. Floyd” <harka@nycmetro.com
Message Hash: 5fa82d8977bafa7d7842d2c1cc5ef6335f2dbee4ec444f843dc40afa6fba38a4
Message ID: <199607231854.LAA28025@netcom7.netcom.com>
Reply To: N/A
UTC Datetime: 1996-07-24 03:28:34 UTC
Raw Date: Wed, 24 Jul 1996 11:28:34 +0800
From: frantz@netcom.com (Bill Frantz)
Date: Wed, 24 Jul 1996 11:28:34 +0800
To: "Douglas R. Floyd" <harka@nycmetro.com
Subject: Re: Bare fibers
Message-ID: <199607231854.LAA28025@netcom7.netcom.com>
MIME-Version: 1.0
Content-Type: text/plain
At 12:30 AM 7/23/96 -0500, Douglas R. Floyd wrote:
>>
>> * Carbons sent to: In: jimbell@pacifier.com
>>
>> -=> Quoting In:jimbell@pacifier.com to Harka <=-
>>
>> In> The fiber is usually coated with a very thin layer of clear plastic to
>> In> protect against moisture and abrasion, and the diameter is around 0.5
>> In> to 1.0 millimeters in diameter.
>>
>>
>> Doesn't that make it vulnerable (detectable) to Tempest attacks?
>
>Not really sure how. I have had heard of ways to tap a fibre optic link
>noninvasively, but its not related to Van Eck or anything like that.
You could break the fiber and add a repeater (if you know enough about the
light protocol). Plastic fiber can be cut with a pocket knife, glass
requires a machine which will make a square cut and polish the end. Those
machines are not yet cheap.
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1996-07-24 (Wed, 24 Jul 1996 11:28:34 +0800) - Re: Bare fibers - frantz@netcom.com (Bill Frantz)