Edimax Technology BR-6315SRg - Manual (Page 82)

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Click <Apply Changes> at the bottom of the screen to save the configurations.
You can now configure other advance sections or start using the router.
Example: Access Control
In the example below, LAN client A can only access websites that use Port 80.
However, LAN client B is able to access websites and any other service that
uses ports between 80 and 999.