Sniffer软件
Sniffer，中文能够翻译为嗅探器，是一种基于被迫侦听原理的网络分析方法。使用这种技术方法，能够监视网络的状况、数据流动状况以及网络上传输的信息。snifferSniffer分为软件和硬件两种，软件的Sniffer有SnifferPro、NetworkMonitor、PacketBone等，其长处是易于安装部署，易于学习使用，一起也易于交换；缺陷是无法抓取网络上一切的传输，某些状况下也就无法真实理解网络的故障和运行状况。硬件的Sniffer一般称为协议分析仪，一般都是商业性的，报价也对比贵重，但会具有支持各类扩展的链路捕获才能以及高性能的数据实时捕获分析的功能。基于以太网络嗅探的Sniffer只能抓取一个物理网段内的包，就是说，你和监听的方案中间不能有路由或别的屏蔽播送包的设备，这一点很主要。所以，对一般拨号上网的用户来说，是不可能使用Sniffer来窃听到别的人的通信内容的。(Sniffer, which can be translated as sniffer in Chinese, is a network analysis method based on the principle of forced listening. Using this technical method, it is possible to monitor the status of the network, the flow of data, and the information transmitted on the network. SnifferSniffer is divided into software and hardware. The software Sniffer includes SnifferPro, NetworkMonitor, PacketBone, etc. Its advantages are easy to install and deploy, easy to learn and use, and easy to exchange at the same time; Therefore, it is impossible to truly understand the faults and operating conditions of the network. The hardware Sniffer is generally called a protocol analyzer, which is generally commercial, and the price is relatively expensive, but it will have the function of supporting various extended link capture capabilities and high-performance real-time data capture and analysis. Sniffer based on Ethernet network sniffing can only capture packets within a physical network segment, that is to say, there can be no routing or other devices that block broadcast packets between you and the monitoring solution. This is very important. Therefore, for ordinary dial-up Internet users, it is impossible to use Sniffer to eavesdrop on other people's communications.)
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