You can use the Home app .
Tap Home Settings, then tap Wi-Fi Network & Routers.
Tap an accessory, then choose one of these settings:
No Restriction: The router allows the accessory to connect to any internet service or local device.
This provides the lowest level of security.
Automatic: The router allows the accessory to connect to an automatically updated list of manufacturer approved internet services and local devices.
Restrict to Home: The router only allows the accessory to connect to your home hub.
This option may prevent firmware updates or other services.