TLS Mastery: Beastie Edition

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
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