Particulars makes the following network connections which may need to be allowed on your firewall for the described functions to work.
|checkip.amazonaws.com||https (tcp/443)||Discover the public IPv4 address of the Mac||On start, and every refresh of the system information (1 minute interval), if the Network detail is enabled.|
|support-sp.apple.com||https (tcp/443)||Lookup the model name of the Mac||Once for each serial number and locale (Intel only)|
|itunes.apple.com||https (tcp/443)||Check for new version||Weekly|
|in.appcenter.ms||https (tcp/443)||Crash reporting and anonymous analytics||On start, weekly, and during the submission of a crash report|