Edimax Technology AR-7211B V2 manual You can choose Interface or IP Address, Field, Description

Field	Description
Direction Select	Select the router interface. You can select LAN or WAN.
	In this example, WAN is selected.
WAN Setting	You can choose Interface or IP Address.
WAN Interface	Choose the interface that permits data packets from
	WAN to access the router.
	Enter the IP address on the WAN. Only the IP address
IP Address	that is in the same network segment with the IP address
	on the WAN can access the router.
	You can choose the following services from WAN: web,
Services Allowed	telnet, ssh, ftp, tftp, snmp or ping. You can also choose
	all of the services.
Add	After setting the parameters, click “Add” to add an entry
	to the Current ACL Table.
Reset	Click to refresh this page.

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