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Re: Detecting a sniffer (fwd)
From: era () ucar edu (Ed Arnold)
Date: Tue, 2 May 1995 10:09:54 -0600 (MDT)

Perry Metzger wrote:

Dave Horsfall says:
On Mon, 1 May 1995, Bennett Todd wrote:

You can't "detect a sniffer" from looking at the net; [...]

Not even with a Time Domain Reflectometer?

You can fool a TDR.


I'd be interesting in knowing how this is done.

It's my understanding that if you connect to either coax or twisted
pair correctly, then there is no way of telling the connection is
there unless you had previously run a TDR analysis to compare with.

Of course, if the connection is not done carefully, then it would
be obvious to a TDR ...

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