Not being hacked, Facebook confessed to explain the reason for the 6-hour disconnection

After 6 hours of disconnection, Facebook and its Instagram, WhatsApp, OculusVR and other services have finally “reproduced the world”. Of course Facebook will come out to solve such a big thing. They pointed out that this incident was caused by changing the router settings, rather than hackers trying to invade and steal user information.

事發後 Facebook 透過 Twitter 向公眾報告。
Facebook reported to the public via Twitter after the incident.

This large-scale Facebook disconnection not only affects general users’ use of social services, but also affects business partners and Facebook’s internal Working with developers who use the platform also prevented Facebook staff from finding and solving problems immediately.

除了一般用戶外,連使用該平台的開發人都受到影響。
Except for general users, even those who use the platform Developers are all affected.

Facebook’s statement stated that this time the problem was caused by changes in the settings of the backbone routers. This group of backbone routers is responsible for coordinating Facebook data Once a problem occurs in the network traffic of the center, the communication will be interrupted, and at the same time, it will cause the domino effect of the data center communication, which will eventually lead to the disconnection of all systems.

Cloudflare 的圖表顯示在 15:40 UTC Facebook 出現大量 BGP 更新,相信就是中斷事件的開端。
Cloudflare’s chart is displayed at 15:40 UTC Facebook has seen a large number of BGP updates, which is believed to be the beginning of the outage.

According to a report by the network service company Cloudflare, Facebook’s situation this time started with the constant Border Gateway Protocol (BGP). ) There is a problem with updating. This is a mechanism that allows Autonomous Systems to exchange routing information with each other. Large routers will have a large and constantly updated available routing table, so that every packet can be delivered to the destination normally. land. However, this time there was a problem with the BGP update, the routing information required by Facebook was deleted, so that other networks could not find their website.

Cloudflare 的報告也顯示在 Facebook 出事期間經他們旗下 WARP 服務到 Facebook 的流量突然消失。
Cloudflare’s report also shows the incident on Facebook During this period, the traffic to Facebook via their WARP service suddenly disappeared.

Facebook emphasized that the problem is purely a setting problem, and there is no evidence to prove that user accounts were hacked during the disconnection. And Facebook CEO Zuckerberg also posted an apology to the public in his Facebook post. He said, “We know how much you rely on our services to keep in touch with people you care about”, which evoked more than 2.28 million emoticons and 560,000 texts. Responses and 390,000 shares.

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