Tcpdump

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tcpdump is a common packet analyzer that runs under the command line. It allows the user to capture and display network traffic including TCP/IP packets.

Basic examples

  • tcpdump -i en0
  • tcpdump -n -i en0
  • tcpdump 'port 80 or 443'[1]
  • tcpdump dst 8.8.8.8


Related terms

See also

  • https://danielmiessler.com/study/tcpdump/
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