Come hanno fatto a spegnere l’internet egiziana

Di   17 Febbraio 2011
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Qualche giorno dopo il blackout dell’Internet egiziana John Markoff insieme a James Glanz cercano di spiegare sul NYT come è andata la vicenda

The blackout was lifted after just five days, and it did not save President Hosni Mubarak. But it has mesmerized the worldwide technical community and raised concerns that with unrest coursing through the Middle East, other autocratic governments — many of them already known to interfere with and filter specific Web sites and e-mails — may also possess what is essentially a kill switch for the Internet.

Because the Internet’s legendary robustness and ability to route around blockages are part of its basic design, even the world’s most renowned network and telecommunications engineers have been perplexed that the Mubarak government succeeded in pulling the maneuver off.

But now, as Egyptian engineers begin to assess fragmentary evidence and their own knowledge of the Egyptian Internet’s construction, they are beginning to understand what, in effect, hit them. Interviews with many of those engineers, as well as an examination of data collected around the world during the blackout, indicate that the government exploited a devastating combination of vulnerabilities in the national infrastructure.