本文之前提到的许多网络嗅探工具都提供了不同级别的协议解码，它们是通过检查端口和内容来确定所使用的协议实现的。
Many of the network sniffing tools already mentioned in this article provide varying levels of protocol decoding by looking at the port and content details to determine the protocol being used.
调试可能需要使用网络包嗅探器这样的工具来捕获网络包。
Debugging can involve the use of tools such as network packet sniffers to capture network packets.
tcpdump工具是一个比较老的工具，它从网上“嗅探”网络数据包，打印到stdout或记录在一个文件中。
The tcpdump tool is an older tool that "sniffs" network packets from a network and either prints them to stdout or logs them to a file.
一个先进的，专业的工具(嗅探器)，用于分析，调试，维护和监控本地网络和互联网连接。
An advanced, professional tool (sniffer) for analyzing, debugging, maintaining and monitoring local networks and Internet connections.
一个先进的，专业的工具(嗅探器)，用于分析，调试，维护和监控本地网络和互联网连接。
An advanced, professional tool (sniffer) for analyzing, debugging, maintaining and monitoring local networks and Internet connections.
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