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中国公司卷入美国网络大规模瘫痪事件 召回大量产品

2016-10-27 07:35:27   北京青年报

原标题:雄迈卷入美国“断网”风波始末

上周末,在美国发生了一起规模极大的互联网瘫痪事故,美国多个城市的主要网站被攻击,包括推特、亚马逊、Paypal等在内的大量互联网知名网站数小时无法正常访问。这场网络攻击引起全球震惊,多家机构对攻击源展开调查。有消息称,其中一大部分组件由来自中国杭州的雄迈信息技术有限公司制造。雄迈公司就此被卷入该事件。随后,雄迈公司宣布召回在美国销售的存在安全隐患的硬件产品。

昨天雄迈公司负责人对北京青年报记者表示,公司此次是主动召回,并没有受到美国政府方面的压力。同时,公司的产品只占该事故的一小部分,并不对这件事故负有主要责任。

美国网络瘫痪数小时

美国当地时间10月21日7点多,美国多个城市出现互联网瘫痪情况,众多网友爆料包括推特、亚马逊、纽约时报等在内的大量互联网知名网站出现无法访问情况。多个媒体证实美国“断网”,此次断网时波及范围的广泛程度几乎囊括了东西海岸多个城市,从波士顿到纽约,从洛杉矶到西雅图,互联网服务全面宕机。推特、脸书、亚马逊、Shopify、Reddit、纽约时报等热门网站都没有幸免,无一能登陆。

据悉,此次遭受攻击的为Dyn公司,公司基础设施遭到大规模“拒绝访问服务”(DDOS)攻击,该公司为美国众多网站提供DNS基础的管理服务。根据Dyn公司公布的情况,美国时间10月21日,黑客一天共发动三波网络攻击。截至当天晚上,网站基本恢复正常。

智能硬件成为黑客的“肉鸡”

360企业安全集团高级研究员汪列军介绍,DNS服务就是将域名解析为IP地址,网友点击后在这里中转,翻译成计算机理解的地址,然后网友才可进入网站。推特等多个著名公司都是Dyn公司的客户。当时,该公司的DNS服务商遭受了超大规模的流量访问,这个流量可能超过每秒1000G,服务器瘫痪导致相关网站域名无法解析,出现访问失败。

“好像突然整个小区的大爷大妈同一时间涌进社区超市,但是不买东西,只是找服务员问一些莫名其妙的话,超市就无法运转了。”汪列军介绍,DNS服务商遭到了大量垃圾请求,这让DNS解析商完全无法应对,真正的请求也无法回答,互联网网站瘫痪。

令人意外的是,推特等公司实际上并非仅有唯一的域名和网段,即使这样,都无法脱离黑客的魔爪。360网络安全研究院表示,Dyn公司为推特这样的重要客户设计了“狡兔三窟”处理模式,不但提供四个域名地址,地址还分散分布四个网段。即使这样,仍然没有逃脱黑客的“魔爪”。

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