htaccess - Allow Let's Encrypt to Validate and Renew

Updated 2026
Quick Answer

If Let's Encrypt cannot validate your domain because of .htaccess rules (password protection, IP restrictions, or redirects), add this rule before any other rules in your .htaccess: RewriteRule ^.well-known/ - [L]. This allows the ACME validation to reach the challenge files. On Ultra Web Hosting, AutoSSL handles this automatically.

For the complete guide:

SSL Certificates and HTTPS on Your Website

This article has been consolidated into our SSL Certificates and HTTPS on Your Website guide for easier reference.

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