图1和图2展示如何使用一个像Wireshark这样的网络嗅探程序轻松让任何人随意查看telnet会话。
Figure 1 and Figure 2 show how easily a Telnet session can be casually viewed by anyone on the network using a network-sniffing application such as Wireshark.
对于控制解析器的应用程序而言，一次循环是必要的，因为应用程序很容易在嗅探前面几行之后停止读入。
For those applications controlling the parser, a loop helps because the application can easily stop the reading after sniffing the first few lines.
这样，在必要时，您就可以很容易地运行未加密的程序，当您想要“嗅探”网络，看看到底有什么东西正在通过网络时，这一点很有用。
Thus, you can easily run your program without encryption when necessary, which can be useful when you want to "sniff" the network to see what is actually traversing the wire.
我要开发一个应用程序，并基本包嗅探。
我要开发一个应用程序，并基本包嗅探。
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