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Dan Ritter wrote: > On Mon, May 03, 2010 at 06:45:35AM -0400, Scott Ehrlich wrote: >> A question for the comm techies out there - >> >> You have a wired network via a major provider - comcast, verizon, rcn, >> etc, at your home. >> >> Your neighbor (someone on your street) also subscribes to the same >> provider. Can they see your traffic? Can you see theirs? > > On DSL, no, because the first time your IP traffic touches theirs > is at a router owned by the telco. > > On FIOS, no, for similar reasons. > > For DOCSIS, in theory yes, in practice no, because traffic > between your cable modem and the CMTS is encrypted. Older > systems used 56-bit DES, which is crackable, but the new ones > use AES. If your neighbors have the desire and ability to crack DES to read your data, odds are there are easier data security leaks, and your bandwidth is the least of your problems. Better incinerate your trash and make sure none of your monitors are visible from your windows.
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