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Packet Analysis Notes

Mar 26, 2026 Networking ACTIVE

A short record of what becomes easier to see once packet captures are tied back to protocol structure.

  • Packets
  • DNS
  • HTTP

Packet analysis becomes more useful when it is tied to a specific question.

Instead of capturing everything and hoping insight appears, I am trying to begin with a narrow hypothesis: a lookup, a request, a handshake, or a failed assumption. That framing makes the notes more readable and the captures easier to compare later.