Unable to renew certificate on RHEL 8

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:kayapartments.com

I ran this command:sudo certbot renew --dry-run -v

It produced this output:
Saving debug log to /var/log/letsencrypt/letsencrypt.log


Processing /etc/letsencrypt/renewal/lcklizard.kayapartments.com.conf


Simulating renewal of an existing certificate for lcklizard.kayapartments.com

Certbot failed to authenticate some domains (authenticator: apache). The Certificate Authority reported these problems:
Domain: lcklizard.kayapartments.com
Type: unauthorized
Detail: During secondary validation: 65.210.106.66: Invalid response from http://lcklizard.kayapartments.com/.well-known/acme-challenge/UTHwYf4UEDfCXdq50jSGUuBYFnZxNzjaYe7I7ft8l2A: 403

Hint: The Certificate Authority failed to verify the temporary Apache configuration changes made by Certbot. Ensure that the listed domains point to this Apache server and that it is accessible from the internet.

Failed to renew certificate lcklizard.kayapartments.com with error: Some challenges have failed.


All simulated renewals failed. The following certificates could not be renewed:
/etc/letsencrypt/live/lcklizard.kayapartments.com/fullchain.pem (failure)


My web server is (include version):
Apache/2.4.37 (Red Hat Enterprise Linux)

The operating system my web server runs on is (include version):
Redhat 8.10 4.18.0-553.126.1.el8_10.x86_64

My hosting provider, if applicable, is: myself

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): Webmin

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot): certbot 1.22.0

The 403 is a "forbidden" response from your system. And, that it says "Secondary" means the primary Let's Encrypt center succeeded but one or more of the (currently 4) secondary centers were blocked by you.

It looks like you have geographic blocking as a test site shows this in part of the message:

Network Security Appliance
This site has been blocked by the network administrator.

Block reason: Gateway GEO-IP Filter Alert

For an HTTP Challenge you'll need to open port 80 for access from anywhere. An alternative might be to use a DNS Challenge as long as your authoritative DNS Servers are available worldwide.

See this wiki for details and other options: Multi-Perspective Validation & Geoblocking FAQ

That was the issue!

Thank you Sir!