In the ongoing series about Home Assistant, this post discusses the migration to Cloudflare Tunnel for enhanced security and remote access. The author shares their initial setup, which involved creating a subdomain and port forwarding from their router. With the necessity for SSL to ensure encrypted communication, they moved to use Let's Encrypt, a platform offering free certificates through an automated ACME protocol. The author also notes the challenges of certificate renewal and the necessity of creating an automation to manage this effectively within the Home Assistant environment.
Let's Encrypt issues certificates through an automated API based on the ACME protocol, requiring an ACME client for interaction, streamlining the process of obtaining SSL certificates.
The add-on that integrates Let's Encrypt within Home Assistant works flawlessly, but its operation is specific: you generate a certificate by starting the add-on.
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