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CONE Lab

Protocol analysis with Ethereal

Application
Capture application traffic with Ethereal (e.g., web, DNS). Analyze header formats.

Transport
Capture TCP and UDP traffic with Ethereal (e.g., for TCP through a web request and for UDP through a DNS request). Analyze TCP and UDP segments. For TCP analyze 3-way hanshake.

Network
Capture IP and ICMP packets with Ethereal. Analyze ICMP headers and IP datagrams.

Link
Capture Ethernet traffic. Analyze Ethernet frames.