tcpdump

networking

A command-line packet analyser that captures and displays network traffic passing through a network interface

Pronunciation

Correct

T-C-P-dump

/tiː siː piː dʌmp/

The 'TCP' portion is spelled out as individual letters, followed by 'dump' as a regular word. Stands for 'Transmission Control Protocol dump'.

Source: www.tcpdump.org(official spec)