Tuesday , September 21 2021

New Research May Preclude Berman Bill Attacks

New Scientist reports on P2P network studies:

    A US bill proposed in July 2002 would give copyright holders the legal power to attack the computers of file sharers suspected of piracy. Experts say it would be relatively easy to log on to a network and deliberately overload suspected users with fake requests for a file, by misinforming other “nodes”. This is similar to overloading a web site with fake traffic in a “denial of service” attack.

    But Neil Daswani and Hector Garcia-Molina of the Database Research Department at Stanford University in the US believe it may be possible to redesign peer-to-peer networks to protect them against such attacks. Daswani says this may also guard these networks against malicious computer hackers. He told New Scientist: “We were interested in both protecting the network from being shut down and protecting individual users.”

    Flood gates

    Daswani and Garcia-Molina mathematically modeled the popular open source network Gnutella and experimented with different combinations of existing rules for efficiently sharing file requests across a network. This network consists of ordinary users, or “nodes” and “supernodes”, which have higher bandwidth. Requests are broadcast between nodes and supernodes with little discrimination.

    Daswani points out that anyone can join a peer-to-peer network, so it cannot be run on trust. Instead, the researchers gave each node a set of simple rules to follow when processing requests from other peers. They found that when requests from ordinary nodes were treated in a different way to requests from supernodes the damage caused by a flooding attack was dramatically reduced.

The bill has come under severe criticism and is being redrafted.

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About Eric Olsen

Career media professional and serial entrepreneur Eric Olsen flung himself into the paranormal world in 2012, creating the America's Most Haunted brand and co-authoring the award-winning America's Most Haunted book, published by Berkley/Penguin in Sept, 2014. Olsen is co-host of the nationally syndicated broadcast and Internet radio talk show After Hours AM; his entertaining and informative America's Most Haunted website and social media outlets are must-reads: [email protected], Facebook.com/amhaunted, Pinterest America's Most Haunted. Olsen is also guitarist/singer for popular and wildly eclectic Cleveland cover band The Props.

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