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LinkedIn just one of thousands of sites hit by DNS issue: Cisco

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Although LinkedIn bore the brunt of attention over a DNS issue that saw it drop off the web for hours, Cisco believes that almost 5,000 other sites were also affected.

LinkedIn was only one of thousands of websites that went down last Wednesday due to issues with its domain name system (DNS) servers, according to Cisco.

Although LinkedIn has stated that its outage was due to an error made by the company that manages its domain and not due to any form of malicious activity, there was some malicious activity involved — just not directly aimed at the social networking company.

Network Solutions wrote on its company blog that it had been resolving a distributed denial-of-service (DDoS) attack at the time, and that “a small number of Network Solutions customers were inadvertently affected”.

Looking at the problem from a network perspective, Cisco said it saw the name servers for Network Solutions change to those at ztomy.com.

However, Cisco believes that this actually lends credibility to the theory that it was not a malicious attack.

“The fact that so many domains were displaced in such a highly visible way supports Network Solutions’ claim that this was indeed a configuration error.”

Including the US Postal Service, Yelp, and Fidelity, Cisco believes that almost 5,000 domains may have been affected. The list includes other major companies, including Subaru, Mazda USA, US Airways, Craigslist, and Weather.com.

Share your thoughts in the comments below and don’t forget to like this post.

Source: Associated Press

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