Let's Encrypt and ACME Protocol Automation
Automate certificate issuance and renewal using the ACME protocol with Certbot and other clients.
Let's Encrypt Introduction
Let's Encrypt is a free, automated, and open Certificate Authority operated by the Internet Security Research Group (ISRG), launched in public beta in December 2015. It has issued over 3 billion certificates and dramatically increased HTTPS adoption across the web by eliminating the cost and complexity of obtaining publicly-trusted TLS certificates.
ACME Protocol Overview
The Automated Certificate Management Environment (ACME) protocol, standardized as RFC 8555 in 2019, defines how clients automatically prove domain ownership and receive certificates from CAs. ACME replaces manual domain validation processes with a cryptographically-verified automated exchange, enabling zero-touch certificate lifecycle management.
All lessons in this course
- OpenSSL Command-Line Essentials
- Creating and Managing Certificate Chains
- OCSP Stapling and Certificate Transparency
- Let's Encrypt and ACME Protocol Automation