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Russia's most powerful business lobby moved to clamp down on Skype and its peers this week, telling lawmakers that the Internet phone services are a threat to Russian businesses and to national security.

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"Without government restrictions, IP telephony causes certain concerns about security," the lobby's press release said. "Most of the service operators working in Russia, such as Skype and Icq, are foreign. It is therefore necessary to protect the native companies in this sector and so forth."

Their system, dubbed retransmission steganography (RSTEG), relies on sender and receiver using software that deliberately asks for retransmission even when email data packets are received successfully. "The receiver intentionally signals that a loss has occurred. The sender then retransmits the packet but with some secret data inserted in it," he says in a preliminary research paper (www.arxiv.org/abs/0905.0363). So the message is hidden among the teeming network traffic.

Firecoral’s goal is to scale web content distribution to end users by allowing mutually distrustful users to share their web browser caches, yet ensure the authenticity of content and enable users to preserve privacy by expressing flexible content sharing policies. To achieve these goals, we have built a Firefox extension that uses subscription-based XPath queries to extract URLs from web sites and redirect them to a proxy server running inside the browser.

Ever clicked on a 'hot-link' in Slashdot or Digg and received a "webserver too busy" or "this webpage has exceeded its bandwidth quota" message?? Then you are all too familiar with the Slashdot or Digg effect. Flashback is our experimental web-server that is meant to address this problem using a unique approach. In Flashback, the browsers visiting the overloaded site are dynamically recruited into a P2P system to help share the load.

The team of researchers [...] studied connection patterns in the BitTorrent file-sharing network — one of the largest and most popular P2P systems today. They found that over the course of weeks, groups of users formed communities where each member consistently connected with other community members more than with users outside the community. [...] Given the impact of this threat, the researchers developed a technique that prevents accurate classification by intelligently hiding user-intended downloading behavior in a cloud of random downloading.

DPI technology raises privacy concerns because it can involve the inspection of information sent from one end user to another.

A European Union directive, which Britain was instrumental in devising, comes into force which will require all internet service providers to retain information on email traffic, visits to web sites and telephone calls made over the internet, for 12 months.

Qik enables you to share your moments live with your friends, family and the world—right from your mobile phone!

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