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Understanding Domain Validation Challenges and DCV Delegation for SSL Certificates

When you need to get a certificate from a service like Let’s Encrypt, you must validate ownership of the domains for which you are issuing a certificate. This is achieved using challenges. But what types of challenges are available? 1. HTTP-01 Challenge The most common and widely used type is the HTTP-01 challenge. With this method, you receive a token that must be placed in your web server at the following path: ...

January 19, 2025 · 3 min · 578 words · Serhii Kaidalov