28. January 2019 15:25:09 IST
The failure of the search engine in China last week was a technical mistake and not an intentional censorship block Authorities and Microsoft have not commented on the subject.
From a technical perspective, a person at Microsoft Corp. told Reuters that the site was blocked in a manner that resembles the government-blocked sites.
However, the company had not received any prior notification from the authorities, and the interference was not intended by the government, added the person who refused to be identified, and pointed out the sensitivity of the matter.
Microsoft was not immediately available for comment on Monday. Last week, though the failure was confirmed, he declined to give details.
The Cyberspace Administration of China did not respond immediately to a faxed request from Reuters seeking a comment.
As of Thursday, Internet users in China who are trying to access cn.bing.com, the search engine's domestic URL, have been redirected to an error page.
Attempts to sign in to Facebook, Google Search, or other sites blocked by the Chinese firewall have come to the same fate.
However, the service had been resumed late Friday.
Engineers at ExpressVPN, a provider of Virtual Private Network (VPN) software that allows Internet users in China to access censored sites, performed tests during the crash
They found that Ben's failure instead of DNS Domain Name Service, the most common means of blocking websites under the Big Firewall, using a technique called "black-holing".
This method redirects traffic to a dummy server Web site that is directed to a specific Web site, at the level of the Internet Service Provider (ISP).
Express VPN Vice President Harold Li said Blackholing increases the likelihood of accidental blocking over more common DNA poisoning, but added that the company can not confirm the exact nature of the failure.
"We have no idea if it was an accident or not But it's much easier to commit the mistake of blocking Bing if you block a bunch of IP addresses," he said, referring to web site addresses .
Bing is the only major overseas search engine in China for a long time. Microsoft is blocking access to Alphabet's Google search platform from 2010. Microsoft is changing Bing's results to avoid politically sensitive issues in line with government policy.
Bing's failure came one day after an article frequently read by a Chinese journalist criticized the quality of the search results from Baidu Inc., the dominant domestic search engine.
This caused some netizens to speculate about the two Incidents The company has been undergoing regular public backlashes since 2016 when a Chinese student died after being sic h had to treat in a hospital advertised on Baidu.
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