Strange snafu misroutes domestic US Internet traffic through China Telecom

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China Telecom, the large international communications carrier with close ties to the Chinese government, misdirected big chunks of Internet traffic through a roundabout path that threatened the security and integrity of data passing between various providers’ backbones for two-and-a-half years, a security expert said Monday. It remained unclear if the highly circuitous paths were intentional hijackings of the Internet’s Border Gateway Protocol or were caused by accidental mishandlings.
For almost a week late last year, the improper routing caused some US domestic Internet communications to be diverted to mainland China before reaching their intended destination, Doug Madory, a researcher specializing in the security of the Internet’s global BGP routing system, told Ars. As the following traceroute from December 3, 2017 shows, traffic originating in Los Angeles first passed through a China Telecom facility in Hangzhou, China, before reaching its final stop in Washington DC. The problematic route, which


Original URL: https://arstechnica.com/?p=1407183

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