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Against my better judgement, the article /does/ go over H2 (although H3 is all the rage right now).

For TLS, I recommend The Illustrated TLS 1.3 Connection (Every byte explained and reproduced): https://tls13.xargs.org/

I'd like to thank you for the time and effort it must take to research, write and edit these articles. The tone you strike with these articles is a delight to read, and I find myself gobbling these things up even for topics about which I (falsely, it usually turns out) consider myself fairly knowledgeable.

Thanks for the link! Are there other good crash courses on various protocols and standards? Directly jumping into the dry official specs is just too overwhelmingly sometimes.

I recently crammed a bunch on DNS for an interview, and I can recommend the cloudflare blogs on that topic as being quite good.

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