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Great walls of fire

机译：长城火

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On march 26th GitHub, an American-based website for programmers, began to suffer what it says is its biggest ever denial-of-service attack. The means and apparent motive were just as noteworthy: the Great Firewall, China's web-filtering infrastructure, was used. The assault seems to have been intended to persuade GitHub to drop content the Chinese authorities object to, including the Chinese-language edition of the New York Times. The attackers' identities will probably never be confirmed. But the rules of online engagement with China have taken a nasty turn. As its nickname suggests, the Great Firewall is a defensive barricade against foreign web content which officials see as undesirable. Until now internet users outside China have been little affected. That changed on March 17th, security analysts say, when the firewall began to be used by unidentified hackers to hijack traffic and redirect it to sites set up by Greatfire.org, an activist outfit that helps users in China to access content that is normally blocked (including the Chinese-language New York Times). The assault on GitHub was similar. Both attacks intercepted foreign traffic entering China that was meant for Baidu, China's largest search engine, and sent it to the targeted American sites. (Baidu has said it was not involved and is "determined" to prevent a repeat.).
机译：3月26日，位于美国的程序员网站GitHub开始遭受其所说的有史以来最大的拒绝服务攻击。手段和明显的动机也同样值得注意：使用了中国的Web过滤基础架构防火墙。攻击似乎旨在说服GitHub放弃中国当局反对的内容，包括《纽约时报》的中文版。攻击者的身份可能永远不会得到证实。但是，与中国进行在线互动的规则已经发生了令人讨厌的变化。就像其绰号所暗示的那样，“长防火墙”是防御外国网站内容的防御性屏障，官方认为这是不受欢迎的。到目前为止，中国境外的互联网用户几乎没有受到影响。安全分析师说，这种情况在3月17日发生了变化，当时身份不明的黑客开始使用防火墙劫持流量并将其重定向到Greatfire.org建立的站点，该组织是维权人士组织，旨在帮助中国用户访问通常被阻止的内容（包括《纽约时报》中文版）。对GitHub的攻击是类似的。两次攻击都截获了进入中国市场的外国流量，该流量原本是中国最大的搜索引擎百度，然后将其发送到了目标美国站点。 （百度曾表示没有介入，并已“确定”以防止重演。）

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    《The economist》 |2015年第8932期|41-41|共1页
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