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Capture The Flag

Working with TShark and TcpDump

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Command-Line Packet Analysis: TcpDump & TShark

Dive into real-world usage of TcpDump and TShark. You’ll learn how to capture packets live, apply capture/display filters, and export or convert .pcap data for analysis. Great for CLI-focused workflows or automated analysis scripts.

Key topics:

  • Basic syntax for both tools

  • Capture filters with TcpDump

  • Using TShark for display filters and dissection

  • Saving captures to files (.pcap)

  • Comparing output and use cases of each tool