Apple provides a network client entitlement[1] that sandboxed apps must have, to connect to the network. Since this app isn't sandboxed, that restriction doesn't apply.
Personally, I only use software that was either built on my machine or downloaded off of the Mac App Store (MAS apps have the be mandatory sandboxed).
Personally, I only use software that was either built on my machine or downloaded off of the Mac App Store (MAS apps have the be mandatory sandboxed).
[1]: https://developer.apple.com/documentation/bundleresources/en...