网络嗅探器无论是在网络安全还是在黑客攻击方面均扮演了很重要的角色。通过使用网络嗅探器可以把网卡设置于混杂模式，并可实现对网络上传输的数据包的捕获与分析。-Sniffer network is the network security or hacker attacks are playing a very important role. Through the use of Sniffer network card can be installed in mixed mode, enabling the network transmission of data packet capture and analysis.