Definition of packet sniffer in English:

packet sniffer

Syllabification: pack·et sniff·er

noun

Computing
A sniffer program that targets packets of data transmitted over the Internet.
More example sentences
  • Because the data is encrypted a simple packet sniffer can't be used to see what this data contains.
  • Gibson discovered the problem by using a packet sniffer, which indicated that not only was a unique user ID being generated, but that download records were being sent back to the company.
  • Follow those basic rules, and anybody using a packet sniffer won't be able to find passwords when he examines your network - sage advice for both wireless networks and wired LANs.

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Word of the day hubris
Pronunciation: ˈhjuːbrɪs
noun
excessive pride or self-confidence