sniffer ⇝

packet sniffer

<networking, tool, security>

A network monitoring utility program that captures data packets and decodes them using built-in knowledge of common protocols. Sniffers are used to help debug and monitor networking problems. A sniffer installed as malware might capture user names and passwords without the user's knowledge and transfer them to a criminal.

Last updated: 2022-12-07

Nearby terms:

Packet InterNet Groperpacket radiopacket snifferpacket sniffingpacket switch

Try this search on Wikipedia, Wiktionary, Google, OneLook.