sniffer使用教程
?Sniffer(嗅探器)是一种常用的搜集有效数据方法,这些数据可所以用户的帐号和密码,可所以一些商用秘要数据等等。Snifffer可以作为可以捕获网络报文的设备,ISS为Sniffer这样定义:Sniffer是使用计算机的网络接口截获目的地为别的计算机的数据报文的一种工具。?Sniffer的合理用途主要是分析网络的流量,以便找出所关怀的网络中潜在的问题。例如,假定网络的某一段运行得不是很好,报文的发送比较慢,而我们又不认识问题出在什么地方,此刻就可以用嗅探器来作出准确的问题判别。在合理的网络中,sniffer的存在对系统管理员是致关主要的,系统管理员通过sniffer可以诊断出很多的不可见含糊问题,这些问题触及两台乃至多台计算机之间的反常通信部分乃至牵涉到各种的协议,借助于sniffer%2C系统管理员可以方便的确定出多少的通信量归于哪个网络协议、占主要通信协议的主机是哪一台、大多数通信目的地是哪台主机、报文发送占用多少时刻、或着相互主机的报文传送间隔时刻等等,这些信息为管理员判别网络问题、管理网络区域提供了十分名贵的信息。sniffer使用教程.pdf
(?Sniffer (sniffer) is a commonly used method to collect effective data, which can be the user's account and password, or some commercial secret data and so on. Sniffer can be used as a device that can capture network packets. ISS defines Sniffer as follows: Sniffer is a tool that uses a computer's network interface to intercept data packets destined for other computers. The reasonable use of Sniffer is mainly to analyze the traffic of the network in order to find out the potential problems in the network of concern. For example, assuming that a certain segment of the network is not running very well, the transmission of packets is relatively slow, and we do not know where the problem lies, we can use a sniffer to make accurate problem identification at this moment. In a reasonable network, the existence of sniffer is crucial for system administrators, and system administrators can diagnose many invisible and ambiguous problems through sniffer, these problems involve abnormal communication between two or even multiple computers and even Involving various protocols, with the help of sniffer, system administrators can easily determine how much traffic belongs to which network protocol, which host accounts for the main communication protocol, which host is most of the communication destination, How long does it take to send a message, or the time interval for message transmission between hosts, etc. These information provide very valuable information for administrators to identify network problems and manage network areas.
Sniffer usage tutorial.pdf)
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