TLS Mastery

Transport Layer Security, or TLS, makes ecommerce and online banking possible. It protects your passwords and your privacy. Let's Encrypt transformed TLS from an expensive tool to a free one. TLS understanding and debugging is an essential sysadmin skill you must have.

TLS Mastery takes you through:

       How TLS works

       What TLS provides, and what it doesn't

       Wrapping unencrypted connections inside TLS

       Assessing TLS configurations

       The Automated Certificate Management Environment (ACME) protocol

       Using Let's Encrypt to automatically maintain TLS certificates

       Online Certificate Status Protocol

       Certificate Revocation

       CAA, HSTS, and Certificate Transparency

       Why you shouldn't run your own CA, and how to do it anyway

       and more!

Stop wandering blindly around TLS. Master the protocol with TLS Mastery!