Packet sniffer



noun phrase

: Packet sniffers—programs, favorite among illegal hackers, that watch packets of data going by and record user names and passwords for later illicit use (1990s+ Computers)

networking, tool
A network monitoring tool that captures data packets and decodes them using built-in knowledge of common protocols. Sniffers are used to debug and monitor networking problems.
(1995-03-28)

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  • Packet-switched

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  • Packet-switching

    [pak-it-swich-ing] /ˈpæk ɪtˌswɪtʃ ɪŋ/ noun 1. a method of efficient data transmission whereby the initial message is broken into relatively small units, or , that are routed independently and subsequently reassembled. noun 1. (computing) the concentration of data into units that are allocated an address prior to transmission noun a method of data transfer in […]

  • Packet switch node

    (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network. (1994-11-30)



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