Yes, change the status of your computer to Missing in your Devices Dashboard and when HiddenApp tries to connect to hiddenapp.com Little Snitch will ask you what to do.
Select “Allow connections forever” and set the condition to “Any connection”. After changing Little Snitch settings, make sure to lock the settings by clicking the lock icon.
You should also enable “Global Policies” in Little Snitch preferences.
Does HiddenApp work with Little Snitch?
