(Sniffitforlinux introduction computer networks share communication channels. Sharing means that computers can receive information sent to other computers. Capturing the data information transmitted in the network is called sniffing. In today's numerous hacker technologies, sniffer is one of the most common and important technologies. Friends who have used sniffer tools on Windows Platforms (for example, netxray and snifferpro software) may know that in a shared LAN, you can see all the traffic in the network at a glance by using sniffer tools! The sniffer tool is actually a packet capturing tool on the network. It can also analyze the captured packets. In a shared network, a packet is a network interface that broadcasts to all hosts in the network. However, before using the sniffer tool, the host's network device will judge whether the packet should be received. In this way, it will discard the packets that should not be received. The sniffer tool enables the host's network device to receive all arriving packets, thus achieving the effect of network monitoring. In fact, the sniffer tool is not only suitable for hackers, but also beneficial to network administrators and network programmers. For network managers, using sniffers can keep abreast of the actual situation of the network at any time. When the network performance drops sharply, sniffer tools can be used to analyze the causes and find out the source of network congestion. For network programmers, the sniffer tool is used to debug programs. Because of its simple installation and powerful functions, sniffat has become the preferred sniffer for hackers in UNIX
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Chapter I
Chapter VII
Chapter III
Chapter II
Chapter V
Chapter VI
Chapter IV
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