Hi, I set up an Ubuntu 16.04 droplet and nginx one or two days ago - all the setup was done via ssh from my os x machine, and I encountered no problems (yay DigitalOcean!)
However, today, attempts to ssh into my dropl...
From the console, run:
... to see if the firewall is active. If it is, you can run ufw disable to disable the firewall and that should prevent the block (if it is indeed firewall related)...