In case you have a firewall, the APU will start outbound connections to these endpoints on ports 80, 443 and 8883 (these DNS names will have to be whitelisted):
- *.amazonaws.com
- *.yaler.io
- *.auravisionlabs.com
- *.auravision.ai
- *.security.ubuntu.com
- *.archive.ubuntu.com
- *.api.snapcraft.io