How do I allow remote connections from to chia-blockchain on port 8555 (full node RPC)?

I’m running a system in AWS, and I need to connect from one machine to another via the Full Node RPC port on Port 8555. How can I edit config.yaml to allow connections from (i.e. not from localhost) to port 8555?

You can just edit mainnet/config/config.yaml - set variable self_hostname:

What is port 8555 for?