TCP/IP Deep Dive

The foundation of the internet. Analyzing the TCP, UDP, and IP headers bit by bit.

The 3-Way Handshake

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Every connection starts here.Before a single byte of data is exchanged, trust must be established.

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CLIENT(192.168.1.5) < span > SERVER(10.0.0.1)

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SYN(Seq = 0)

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< div class="w-1/3 text-left text-yellow-400" > SYN - ACK(Seq = 0, Ack = 1)

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ACK(Seq = 1, Ack = 1)

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< div class="w-1/3" > < p class="mt-6 text-sm text-zinc-400 italic text-center" > Connection Established.