CS338 Computer Security
Wednesday, 6 April 2022

+ Schneier essay
- Reactions, questions
- [did you read the comments?]

+ HTTP readings
- RFCs
- Density of text
- Sections 1, 1.1, 2, 2.1

+ Walk through a TCP handshake
- SYN
- SYN, ACK
- ACK
- What are the ports at the end? Sequence numbers?

+ DNS
- Overview
- Query format (let's look)
- Response format (look again)