What is Most Likely Is That somebody in the Government Gives A phone call to a small number of people and says, 'Turn it off. " And Then Each one engineer at the service provider equipment and logs Into Change the configuration of how Should traffic flow. It Was
likely as easy as That. RenesysImmediately saw the effects. 3.500 Some Border Gateway Protocol BGP routes or-the networks connect places WHERE IP addresses and announce Which They Are Responsible for in an i-DisappearednStant:
At 22:34 UTC (00:34 am local time), the Observed Renesys Virtually Simultaneous Withdrawal of all routes to Egyptian networks in the Internet's global routing table. Approximately 3.500 Were Withdrawn individual BGP routes, Leaving no valid paths by Which the rest of the world Could continue to exchange Internet traffic with Egypt's service providers. Virtually all of Egypt's Internet addresses unreachable Are Now, worldwide.
, Egypt surmised That pulled the plug on the netBut Stéphane Bortzmeyer, an IP communications whiz
literally: "BGP is the Symptom, Not the cause. The Simply Have Been unplugged cables . CHTM
LXC Withdrawing BGP routes (or just unplugging cables) is a much more Effective way of blocking the internet than, say, turning off DNS, in case users Which Could use DNS from overseas to access the internet. Compared to Tunisia, Where Were Certain BGP routes blocked, or Iran, Where Were Simply throttled internet connections, Egypt's disconnection is a Severe one.
Disconnected (Almost) As of last night, Renesys Estimated That 93% of Egyptian unreachable Were's networks, with only one service provider, the Noor Group, STI still serving customers. It's Unclear why they're the Only Ones Who Did not get Turned Off, Though Some Are speculating That ITS role as service provider for the Egyptian Stock Exchange it is what's keeping genes online. Re
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Friday, January 28, 2011
Fundraising For Gallbladder Cancer
r three major ISPs, Link Egypt, Telecom Egypt, and Etisalat Misr, all service stopped. Jim Cowie, the co-founder and CTO of Internet monitoring firm Renesys, the WSJ
Told:
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