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A comment on TLS Mastery. Parent comment

Re:TLS Mastery by FlacoJones on Sunday April 11, 2021 @10:14AM (#26770506)
Just bought the Tux edition on Amazon for Kindle. $10. Says it was published/updated April 5, 2021. Hands on practice with OpenSSL. Engaging writing style. Doesn't assume too much or too little. No bullshit.

This command alone in the first ten pages makes it worth it. Establish TLS connection, get certs, and decode certs for any site:

openssl s_client -showcerts -connect www.mwl.io:443 </dev/null | openssl x509 -text -noout

10/10.

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Re:TLS Mastery by whydoyoucare on Sunday April 11, 2021 @11:32AM (#26770974)
Hmmm... for that kind of stuff, I've found sslshopper's page to be very useful. https://www.sslshopper.com/article-most-common-openssl-comma...

And for the TLS handshake, this is incredibly useful: https://tls.ulfheim.net (The Illustrated TLS Connection). Towards the bottom of this page, you now have TLS 1.3 illustrated as well.

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