For now, though, sniffing is a simple and useful way to make sure that Snort is not only installed, but working and capable of monitoring network traffic.

目前，嗅探是一种简单而有用的方法，能够确保Snort已安装且能够正常工作，能够监控网络流量。

youdao

Are you leaving that connection open to anyone who is sniffing traffic in the DMZ?

您是否让该连接暴露在嗅探dmz中的流量的任何人面前？

youdao

Also, given the possibility of network sniffing, use switched Ethernet hubs wherever possible to isolate traffic (thus minimizing the amount of sniffable information).

CNN: Analysis: Linux security