http://999.999.131.76:2022/admin

and

http://999.999.131.76:2022

...Are now working.  

I get the same error for port 2202.

I have the same problem running on an instance of Ubuntu 16.04 with a public IP.

I confirm ubooquity is running from the command line:

root@bizlib:/home/ubooquiter# ./ubooquity.sh status

 * Ubooquity is running

From my browser:

http://999.999.131.76:2203/

Results in:

This site can’t be reached

999.999.131.76 refused to connect.

Try:

• Checking the connection
• Checking the proxy and the firewall

ERR_CONNECTION_REFUSED