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Traffic Analysis

Packet analysis in Wireshark: where to tap, how to filter, and how to pull a secret out of traffic — including three labs you solve by capturing your own machine.

Wireshark field guide Live wire lab

Learn

1. Where you tap decides everything 6 min read
2. Two filter languages, and everyone mixes them up 5 min read
3. The trick that means you never memorise a field name 3 min read

Labs

Easy 10 pts

One login, no TLS.

Easy 15 pts

Nothing but DNS. Something is leaving anyway.

Heartbeat

pcap

Easy 20 pts

Just pings. Look closer.

Medium 25 pts

All encrypted. Still not private.

Medium 30 pts

The flag is all there. In the wrong order.

Medium 25 pts

The password is not the flag.

Medium 30 pts

LIVE — capture your own browser.

Medium 35 pts

LIVE — read what came back.

Slow Drip

live

Hard 45 pts

LIVE — one character at a time.