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How Certbot and Letsencrypt Work (DNS and SNI-TLS automation) - Magic of Security
printWe introduce an integration plugin for Let’s Encrypt. It provides integration for a variety of mechanisms that enable and simplify verification of domain control and certificate installation. We already tested it with Dehydrated (former letsencrypt.py) . It supports all existing verification methods: DNS, HTTP and TLS-SNI, in their current versions “01”. If you need to implement DNS-based verification