Uploaded July 2021 | Updated September 2026, 3 hours ago

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The handshake?!? I thought that was just a TCP thing! Nope, QUIC has one too. Embedded in the handshake is the TLS1.3 handshake, as well as some transport-layer options that look a little familiar. The first couple of packets in the QUIC handshake are officially called "Initial" packets. Let's dig.

You can download the trace file and keylog file here ---- bit.ly/QUICHandshake

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Chapters in video:
0:00 Introduction the handshake
1:15 Client Initial Packet Explained
2:51 QUIC Transport Parameters
4:13 QUIC Long Header
5:41 Server Initial Packet Explained