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dumpcap

A network traffic dump tool. More information: https://www.wireshark.org/docs/man-pages/dumpcap.html.

  • Display available interfaces:

dumpcap --list-interfaces

  • Capture packets on a specific interface:

dumpcap --interface {{1}}

  • Capture packets to a specific location:

dumpcap --interface {{1}} -w {{path/to/output_file.pcapng}}

  • Write to a ring buffer with a specific max file limit of a specific size:

dumpcap --interface {{1}} -w {{path/to/output_file.pcapng}} --ring-buffer filesize:{{500000}} --ring-buffer files:{{10}}