I cannot generate an SSL certificate using certbot, I do not understand why.
My domain is:
I ran this command:
sudo certbot --nginx
It produced this output:
Saving debug log to /var/log/letsencrypt/letsencrypt.log Please enter the domain name(s) you would like on your certificate (comma and/or space separated) (Enter 'c' to cancel): paytibiamacros.duckdns.org Requesting a certificate for paytibiamacros.duckdns.org Certbot failed to authenticate some domains (authenticator: nginx). The Certificate Authority reported these problems: Domain: paytibiamacros.duckdns.org Type: connection Detail: Fetching http://paytibiamacros.duckdns.org/.well-known/acme-challenge/7eFphe4cCe7IoiYpsq3Lm_jwUD2or-jdZVhrbMaR1rw: Timeout during connect (likely firewall problem) Hint: The Certificate Authority failed to verify the temporary nginx configuration changes made by Certbot. Ensure the listed domains point to this nginx server and that it is accessible from the internet. Some challenges have failed. Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.
My web server is (include version): nginx
The operating system my web server runs on is (include version): debian 10
My hosting provider, if applicable, is: I do not understand
I can login to a root shell on my machine (yes or no, or I don't know): yes
I'm using a control panel to manage my site (no, or provide the name and version of the control panel):
The version of my client is (e.g. output of
certbot --version or
certbot-auto --version if you're using Certbot):