Several different domain registration companies today listed the domain as up for sale. “We also have no evidence that user data was compromised as a result of this downtime.” “We want to make clear at this time we believe the root cause of this outage was a faulty configuration change,” Janardhan continued. “This disruption to network traffic had a cascading effect on the way our data centers communicate, bringing our services to a halt.” “Our engineering teams have learned that configuration changes on the backbone routers that coordinate network traffic between our data centers caused issues that interrupted this communication,” Facebook’s Santosh Janardhan wrote.
ET: Facebook published a blog post saying the outage was the result of a faulty configuration change: Still no word from Facebook on what happened. ET: Cloudflare has published a detailed and somewhat technical writeup on the BGP changes that caused today’s outage. Bill Woodcock, executive director of the Packet Clearing House, said his organization saw a 40 percent increase globally in wayward DNS traffic throughout the outage. ET: This fascinating thread on Hacker News delves into some of the not-so-obvious side effects of today’s outages: Many organizations saw network disruptions and slowness thanks to billions of devices constantly asking for the current coordinates of, and. In a tweet, the company thanked users for their patience, but it still hasn’t offered any explanation for the outage. ET: Facebook says its domains are slowly coming back online for most users. Meanwhile, those with physical access to Facebook’s buildings couldn’t access Facebook’s internal tools because those were all tied to the company’s stranded domains.
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The source explained that the errant update blocked Facebook employees - the majority of whom are working remotely - from reverting the changes. ET: A trusted source who spoke with a person on the recovery effort at Facebook was told the outage was caused by a routine BGP update gone wrong. That could be one reason this outage has persisted so long: Facebook engineers may be having trouble physically accessing the computer servers needed to upload new BGP records to the global Internet. ET: Sheera Frenkel with The New York Times tweeted that Facebook employees told her they were having trouble accessing Facebook buildings because their employee badges no longer worked. “We obviously can’t rule out someone hacking them, but they also could have done this to themselves.” “In the past year or so, we’ve seen a lot of these big outages where they had some sort of update to their global network configuration that went awry,” Madory said.
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Madory said it could be that someone at Facebook just screwed up. Whether the changes were made maliciously or by accident is anyone’s guess at this point. We don’t know how or why the outages persist at Facebook and its other properties, but the changes had to have come from inside the company, as Facebook manages those records internally. The outages come just hours after CBS’s 60 Minutes aired a much-anticipated interview with Frances Haugen, the Facebook whistleblower who recently leaked a number of internal Facebook investigations showing the company knew its products were causing mass harm, and that it prioritized profits over taking bolder steps to curtail abuse on its platform - including disinformation and hate speech. Several people I’ve talked to said this is the equivalent of a ‘snow day’ at the company.” “Not only are Facebook’s services and apps down for the public, its internal tools and communications platforms, including Workplace, are out as well,” New York Times tech reporter Ryan Mac tweeted. That’s because Facebook’s email and tools are all managed in house and via the same domains that are now stranded. In addition to stranding billions of users, the Facebook outage also has stranded its employees from communicating with one another using their internal Facebook tools. As a result, when one types into a web browser, the browser has no idea where to find, and so returns an error page.
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In simpler terms, sometime this morning Facebook took away the map telling the world’s computers how to find its various online properties. BGP is a mechanism by which Internet service providers of the world share information about which providers are responsible for routing Internet traffic to which specific groups of Internet addresses. ET today (15:39 UTC), someone at Facebook caused an update to be made to the company’s Border Gateway Protocol (BGP) records. Kentik’s view of the Facebook, Instagram and WhatsApp outage.ĭoug Madory is director of internet analysis at Kentik, a San Francisco-based network monitoring company.
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