Command-line tool

tcpdump

brew/tcpdump

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

Command-line packet analyzer

Website Source

At a glance

Type

Command-line tool

Install on

macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

macOS

brew install tcpdump

Linux

brew install tcpdump

List available network interfaces

tcpdump -D

Capture the traffic of a specific interface

sudo tcpdump -i eth0

Capture all TCP traffic showing contents ([A]SCII) in console

sudo tcpdump -A tcp

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