After installing letsencrypt with certbot (Ubuntu 18.04, NGINX), I am getting “This site can’t be reached” error when accessing the webpage using the domain registered for SSL. The web page is displayed when accessing it from public IP address.
What’s your domain name?
Thanks! It looks like there is a firewall blocking connections on port 443 to your server. That’s why the HTTP service works on port 80, but perhaps the HTTPS service can’t be reached on 443 because the firewall doesn’t allow connections.
It could be a host firewall like
ufw, or a network firewall like a VPS administration policy setting.
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