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Black List Status: If you want the device to maintain and use a black list, click Enable. Click
Disable if you do not want to maintain a list. Black List Period(min): Specifies the number of
minutes that a computer's IP address will remain on the black list (i.e., all traffic originating
from that computer will be blocked from passing through any interface on the ADSL/Ethernet
router).
Attack Protection: Click the Enable radio button to use the built-in firewall protections that
prevent the following common types of attacks:
z IP Spoofing: Sending packets over the WAN interface using an internal LAN IP
address as the source address.
z Tear Drop: Sending packets that contain overlapping fragments
z Smurf and Fraggle: Sending packets that use the WAN or LAN IP broadcast address
as the source address.