Hi, I wonder whether it would be feasible to build network cards that could report the signal reflection characteristics of the link to make it possible to detect sniffing equipment cut into a network cable (should catch magnetic coupling as well). I bet some security conscious folks will pay lots of $$$ for that. Simon -- GPG Fingerprint: 040E B5F7 84F1 4FBC CEAD ADC6 18A0 CC8D 5706 A4B4
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