On Tuesday (8), a global instability on the internet took off a diversity of sites large-sized. The crash was resolved on the same day and late last night Fastly explained that the phenomenon was due to a bug caused by a single client configuration change.
“On May 12th, we began a software deployment that introduced a bug that could be triggered by a specific customer configuration under specific circumstances,” said Nick Rockwell, Senior Vice President of Engineering and Infrastructure. “At the beginning of June 8th, a customer pushed a valid configuration change that included the specific circumstances that triggered the bug, which caused 85% of our network to return errors,” explained the expert on the company's blog.
The customer's name was not revealed, as was the request process the person made that resulted in the bug. But, according to the company, which is responsible for the distribution service of content on the internet, “a permanent bug fix” was created and started to be implemented the same day. In addition, the company's spokesperson apologized for the inconvenience, as they did not foresee the possibility of the accident occurring.
“This outage was broad and severe, and we are very sorry for the impact it has had on our customers and everyone who depends on them,” Rockwell concluded.
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Last Tuesday morning (8) great sites like Amazon, Reddit and Twitch, as well as news sites such as The Verge, Financial Times, The Guardian, The New York Times, CNN and even the UK government website all went down for a short period, but enough to affect and alarm users.
The affected websites displayed the message: “Error 503 Service Unavailable” and the Downdetector, service that records complaints when websites go down, was the one who pointed out that the error originated in the US cloud computing service provider – Fastly.
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