> You also cannot do those examples on native apps, they are usually only allowed by the OS itself. Well, that's not true. Windows: https://docs.microsoft.com

> You also cannot do those examples on native apps, they are usually only allowed by the OS itself. Well, that's not true. Windows: https://docs.microsoft.com/en-us/windows/win32/nativewifi/native-wifi-api-sample https://docs.microsoft.com/en-us/windows/win32/nativewifi/na... Apple OSes: https://developer.apple.com/documentation/devicemanagement/wifi https://developer.apple.com/documentation/devicemanagement/w... Android: https://developer.android.com/reference/android/net/wifi/WifiManager https://developer.android.com/reference/android/net/wifi/Wif... And LittleSnitch is specifically an app made by a non-OS third-party that does exactly the things OP mentioned. One of the older app dev shops. https://www.obdev.at/products/littlesnitch/index.html https://www.obdev.at/products/littlesnitch/index.html