By pressing the button, the selected address can be removed from its list.
This input allows adding new hardware addresses to either of the two lists. The list can be chosen by selecting "Accept" or "Deny".
The button "Add" submits the new address.
Note: Please use this hexadecimal format for the hardware address: FF:FF:FF:FF:FF:FF (replace the "FF" by the new address'es corresponding values).