3Com BR-6574N manual Dmz

	to access the network at certain time period.
	Click ‘Set’ button and a new window will
	appear with three time-selection options:
	No Block: Do not block this UPnP device.
	Time Interval: This UPnP device will be
	blocked during the time period you specified.
	Please input ‘from’ and ‘to’ hour in two
	respective fields of this item by 24 hours
	format.
	Always: This UPnP device will be blocked
	permanently.
	Click ‘Apply’ to save changes you made, or
	click ‘Cancel’ to close pop-up window and
	discard changes.
DMZ	Select ‘DMZ’ to set this device as a DMZ
	server.
	Please note that you can only set one DMZ
	server at the same time.
Port Forwarding	You can set the port-forwarding rules for this
	device. Click ‘Set’ and a new pop-up window
	will shown, you can set up to 5 sets of
	port-forwarding rules for this device. You can
	click ‘Apply’ in port-forwarding setting window
	to save changes, or click ‘Cancel’ to close
	window and discard changes.
	You can also click ‘View’ to view current
	port-forwarding rules for this device.

You can click ‘Refresh’ button to rescan all UPnP-compatible devices on network,