Connecting to remote MongoDB sessions

I tried to connect via RoboMongo’s Connection settings like so:

Where ‘aws_server_name’ is the same name I use in the mup.json file to deploy. I actually tried using the Public DNS here too, but that did work. I tried the ‘27017’ and ‘29017’ ports too.

on the SSH page I tried the following:

but none of the combinations in terms of port or SSH Address I tried worked.