Private network ports and au915 region change

Hello, I have two questions about the configuration of chirpstack V4
I installed chirpstack using chirpstack-doker on a virtual machine running Ubuntu.

First doubt:
This virtual machine is on a private network, which ports (TCP/UDP) do I have to open for my gateway to work with chirpstack?

Second doubt:
What files, where are they, how and what should be changed to configure for the au915 region?
Show what the configuration looks like for the au915 region, please.

  1. It depends on your architecture. If you are using the UDP packet forwarder on your gateway you must open 1700/UDP on the server. If you are using a gateway bridge / mqtt forwarder you must open 1883/TCP. Then obviously you will need 8080 open as well for the web interface.

  2. I use us915 so I am not sure if there is extra required for au915 (some regions have some necessary extra configuration if the LoRaWAN spec doesn’t specifically define channels). But typically all that is required is setting the gateway bridge to forward the correct topic prefix (au915 in this case) and ensure the region is enabled in your chirpstack.toml