Nationwide Network Failure Events list: DNS has been repeatedly attacked

January 21 News, a large number of netizens reflected in this afternoon can not access the Internet. A number of DNS service providers through micro-blog revealed that on January 21, around 3:20 P.M., all the common top-level domain root anomalies, resulting in some domestic netizens can not visit. com Domain name Web site, the Chinese Internet has caused serious impact. According to the investigation, including Baidu, Sina, Tencent, Jingdong and many other Web site access are affected, users will find the use of the network can not connect successfully, some of the pages of the picture can not be normal browsing. Many sites, including weibo.com, have been parsed into 65.49.2.178. Query 65.49.2.178 information and found that the IP is located in the U.S. North Carolina City of the dynamic Internet Marvell Company. A large number of well-known IT companies in China's domain name was resolved to a U.S. company. Jinshan security experts believe that the incident is most likely a man-made hacker attack. CNNIC deputy director Qilin to Tencent Technology, has many sites have resumed access, but due to previous error resolution, it is expected that all recovery will take some time. Tencent Science and technology inventory of the past few years has occurred in the country-wide network failures are as follows: 1, Taiwan earthquake broken submarine cable December 27, 2006 by the South China Sea sea Area strong earthquake impact, a number of international submarine communication cable interruption, resulting in mainland China to Taiwan, the United States, Europe and other directions of the communication lines International Taiwan, Hong Kong and Macao Internet access quality has been seriously affected, including Yahoo and other international websites are inaccessible. In addition, the International Hong Kong, Macao Voice and special line business is affected. Failure reason: The South China Sea Sea area has the strong earthquake influence, many international submarine communication optical fiber optic cable has interrupted 2, the storm DNS is attacked to cause the wide range to break the network May 19, 2009 since 21 o'clock, Jiangsu, Hebei, Shanxi, Guangxi, Zhejiang and so on successively appeared the Internet network Fault, the partial Internet user's service Users are extremely slow to surf the internet. Failure reason: Ministry of Industry issued a notification confirmation, the failure is due to the Storm site's domain name resolution system by the network attack failure, leading to the telecommunications operators of the recursive domain name resolution server received a large number of abnormal requests caused congestion, resulting in users can not normal Internet. 3, 2010 Baidu domain name hijacked January 12, 2010 in most parts of the mainland China and the United States, Europe and other places are not in any way normal landing Baidu site, up to 8 hours, Baidu has been the most serious server failure event. Failure reason: Baidu is claimed to be Iranian network Army (Iranian Cyber Army) hacker organization invasion, Baidu domain name baidu.com whois Transfer Protocol was unreasonable change, the site's domain name was replaced to Yahoo under the two domain name server, the modified time is January 11, 2010. Some netizens also found that the website page was tampered with the black background and the Iranian flag, and displayed "this site super-delegates been hacked by IRanian Cyber Army "(the site has been invaded by the Iranian network) and a section of Arabic text, and then jump to the English Yahoo home page. 4, China Telecom (Micro-blog) nationwide Large-scale network failure began about 15 o'clock, some of the telecommunications user feedback, the speed was very slow, many Web pages can not even open. The instability of telecom network involves many provinces and cities in China, and the phenomenon of network breaking occurs in Beijing, Shanghai, Hunan, Henan, Guangdong, Sichuan, Gansu, Inner Mongolia and so on. According to incomplete statistics, the network accumulated time lasted nearly 3 hours, to many netizens brought many inconvenience. Fault reason: Shanghai Telecom customer service personnel said it was due to the discovery of network line failure yesterday, telecommunications carried out by the broadband maintenance caused. 5, DNS domain name root server failure January 21, 2014 around 15:20, some netizens reflect the phenomenon of many websites in China. Including Baidu, Sina, Tencent, Beijing-east and many other sites are affected, users will find the use of the network can not connect successfully, some of the pages of the picture can not be normal browsing. Many sites, including weibo.com, have been parsed into 65.49.2.178. Failure reason: According to a number of DNS service providers, the fault is due to all the common top-level domain of the root server exception.