What IP addresses, ports, and domains does Soundly need to access?

Soundly runs on Google’s infrastructure, and it is making all requests over HTTP (https) using port 443 and port 80.The IP-ranges are available here. If your setup allows opening up for domains, Soundly needs access to appspot.com and storage.googleapis.com There is also an option to connect to an alternative server. To connect to the alternative servers, go to Window->Settings in Soundly, and toggle the Connect to alternative Soundly server option in the Networking area. The URL to the alternative server is server.soundly.cloud