Do P2P Blocklists Keep you Safe?

In a recently published paper, the researchers analyzed the results of a large scale experiment where they examined the number of hits they received from blocklisted IPs in a real P2P network. For a period of 90 days the researchers collected data using three differnet blocklists PeerGuardian, Bluetack, and Trusty Files on the Gnutella Network.Their main conclusion: a user who is not using blocklist software is practically guaranteed to be monitored.Other conclusions from their research are:

1. 5 blocklist ranges encountered during the experiments contribute to nearly 94% of all the blocklist hits.

2. Most blocklisted IPs belong to government or corporate organizations.

3. Very few blocklisted IPs belong directly to content providers such as record labels.

The researchers also note that the top 15 most encountered IPs operate from so called BOGON IP ranges, which can’t be traced back to a specific owner. This suggests that these sources deliberately want to stay anonymous, which could indicate that they are up to something.The paper has some interesting findings, and does provide some insight into the workings of blocklists. However, it doesn’t say much about the accuracy and effectiveness of these blocklists.In an attempt to find an answer, TorrentFreak asked an expert in the field, who worked with several anti-piracy organizations, how effective these lists are. His guess was that approximately 75 – 80% of IPs used by the anti-piracy companies he worked with are on these blocklists. This means that they offer some protection, but that they’re not foolproof.The cat-and-mouse game between anti-piracy organizations and blocklist managers such as Bluetack will probably continue for a while.

via Do P2P Blocklists Keep you Safe? | TorrentFreak.

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