Securing Your Site: Obtain an SSL Certificate with Let’s Encrypt When Your ISP Blocks Port 80

Wildcard certificates are highly beneficial because they secure all subdomains of your main domain with a single certificate. This simplifies domain management by eliminating the need to handle individual certificates for each subdomain.

DNS-01 challenge

I chose the DNS-01 challenge for validation for my homelab setup because my Internet Service Provider (ISP) blocks port 80, which is necessary for the HTTP-01 challenge. If your ISP imposes similar restrictions, the DNS-01 challenge might be your best option for obtaining an …

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