I am on nginx web server. certbot --nginx -d domain_name I'd do just this when port 80 used to be open. But a client doesn't know how to open port 80. So, I need alternatives.

Hello @test2 , welcome to the Let's Encrypt community. :slightly_smiling_face: Here are the Challenge Types - Let's Encrypt , the DNS-01 challenge does not need access to Port 80; also it allows for issue certificates containing wildcard domain names. [image] DNS providers who easi…

How can I authenticate the ownership of the server without opening port 80 in letsencrypt using nginx?

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rg305 November 30, 2023, 5:08am 5

You can't.
nginx is a web server - that can only serve HTTP/HTTPS request.
DNS servers serve DNS requests.

4 Likes

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How can I authenticate the ownership of the server without opening port 80 in letsencrypt using nginx?

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