云解析DNS安全章的相关内容

文章 2016-11-03 来自：开发者社区

DNS安全章－DNS污染

一、什么是DNS污染简单说，就是客户端发起正常的一次DNS请求，得到的确是一个异常或者不真实的DNS信息。一般造成这样的情况，很有可能DNS信息在某个环节被通过某种方式篡改。二、有什么手段可以造成DNS污染。主要的方式，可以归纳为如下两种：方式一、攻击者监测到DNS查询的请求报文时，伪装成DNS服务器向发出请求主机发送响应报文。因为DNS报文通常是无连接的UD...

文章 2016-11-03 来自：开发者社区

DNS安全章－拒绝服务攻击

一、什么是拒绝服务攻击即攻击者想办法让目标机器停止提供服务，是黑客常用的攻击手段之一。二、DNS拒绝服务攻击常见手段 1、利用DNS软件版本漏洞攻击如在BIND 9版本（版本9.2.0以前的 9系列）如果有人向运行BIND的设备发送特定的DNS数据包请求，BIND就会自动关闭。攻击者只能使BIND关闭，而无法在服务器上执行任意命令。 2、DDOS 攻击，攻击者利用僵尸网络中大量的被控主机....

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