I followed the instructions below using ufw, it worked fine and tested instantly for ports 80 and 22, but for 443 I get Connection refused on the test, and no ufw block or in syslog or sign of attempt in auth.log.
Does DO block 443 on their own?
$ sudo ufw status | grep 443
To Action From
443/tcp ALLOW Anywhere 443/tcp (v6) ALLOW Anywhere (v6)
https://www.digitalocean.com/community/tutorials/opening-a-port-on-linux
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I don’t see all the responses that I’m getting email about, so can’t respond.
The latest is I’m looking into using nginx as a frontend to jetty, so will post again as soon as I try.
I recommend nginx and the following tutorial.
https://www.digitalocean.com/community/tutorials/how-to-install-nginx-on-ubuntu-20-04
I have a droplet accepting traffic on port 443. Do you have a server on port 443?