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I hear that cable Internet access uses a single shared link to connect a whole neighbourhood. If I connect my computer directly to my cable modem and use a packet sniffer to inspect the traffic, would I see the all the packets being sent to my neighbours?

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Sort of. DOCSIS uses encryption to protect communication between your modem and the other end. The 128-bit AES encryption used in BPI+ should be sufficiently safe for a good many years yet.

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That's reassuring. Thanks for the answer, Daniel. –  noobler Feb 16 '12 at 3:56

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