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: rtt.ag
I ran this command:
certbot certonly
It produced this output:
http-01 challenge for rtt.ag
Cleaning up challenges
e[31mSome challenges have failed.e[0m
e[1m
IMPORTANT NOTES:
e[0m - The following errors were reported by the server:
Domain: rtt.ag
Type: connection
Detail: Fetching
http://rtt.ag/.well-known/acme-challenge/ryTWMPxowwDf3ErfgXz8R7ChrkRTAknq4xbQ9_rHO14:
Timeout during connect (likely firewall problem)
My web server is (include version): Apache 2.4
The operating system my web server runs on is (include version): Windows Server 2016
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don’t know): no
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): certbot 1.7.0…
We have certificate which states that its issued by 
.
the server is Apache 2.4. I am trying to renew it but looks like due to firewall settings i am not able to renew it. we have enabled port 80 for all incoming request… I am new to this renewal of certificates, pls suggest what can i do inorder to have it working