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GitHub survived the largest DDoS attack in history

almost 4 years ago by IanDorfman

Software repository and tracker Small GitHub iconGitHub was brought down for ten minutes by a continuous 1.35 terabit per second distributed denial of service attack in the middle of the day on Wednesday, February 28th. This DDoS hit was performed using a non-bot amplification attack process.

In order to combat this DDoS attack, GitHub employed the services of Small Akamai iconAkamai's Prolexic. The service then managed all web traffic coming in and out of the website in order to ensure that no more malicious packets were coming through.

After eight minutes of this filtering, the attack subsided. A few hours later, GitHub stopped filtering all inbound and outbound web traffic through Prolexic. The cause of the DDoS attack is still unknown.


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GitHub is a web-based hosting service for projects that use the Small Git iconGit revision control system. It is written in Ruby on Rails by Logical Awesome developers Chris Wanstrath, PJ Hyett, and Tom Preston-Werner.

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