Hi all,
I have 0 networking knowledge, don't judge me. Basically I came from the world where I was running a node with Ubuntu in DigitalOcean, it was never a problem – when you run `certbot --nginx` you get HTTPS for a site semiautomatically.
Same trick worked on free Oracle Cloud (I mean, the certificates obtaining part), but curl to the corresponding HTTPS url gives me `Couldn't connect to server`.
I think the reason is network configuration related, although ingress/egress rules are “allow all”, ufw is disabled also.