How a Tiny Error Shut Off the Internet for Parts of the US

Read more on this subject: United States
News Story Source: https://www.wired.com
A year ago, a DDoS attack caused internet outages around the US by targeting the internet-infrastructure company Dyn, which provides Domain Name System services to look up web servers. Monday saw a nationwide series of outages as well, but with a more pedestrian cause: a misconfiguration at Level 3, an internet backbone company—and enterprise ISP—that underpins other big networks. Network analysts say that the misconfiguration was a routing issue that created a ripple effect, causing problems for companies like Comcast, Spectrum, Verizon, Cox, and RCN across the country.

Level 3, whose acquisition by CenturyLink closed recently, said in a statement to WIRED that it resolved the issue in about 90 minutes. "Our network experienced a service disruption affecting some customers with IP-based services," the company said. "The disruption was caused by a configuration error." Comcast users started reporting internet outages around the time of the Level 3 out
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