Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is: nginx.example.com
I ran this command: certbot --nginx
It produced this output: An unexpected error occurred:
ValueError: Requesting acme-v02.api.letsencrypt.org/directory: Network is unreachable
My web server is (include version): nginx/1.20.1
The operating system my web server runs on is (include version): Red Hat Enterprise Linux 9.5
My hosting provider, if applicable, is: N/A
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): no
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot): certbot 2.11.0
