I setup a server on port 27017 but my friends can't connect to the server. I can connect to it using: 127.0.0.1:27017. The server is also listed on the list of plutonium servers https://plutonium.pw/api/servers.
This is a screenshot of the console:
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They tried connecting to it using the friends list and with the console: ip:27017. It is also not listen on the server list in game. Port scanner shows this: