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Section - Configuration
A firewall protects your network from the outside world. The D-Link DIR-628 offers a firewall type functionality. The SPI
feature helps prevent cyber attacks. Sometimes you may want a computer exposed to the outside world for certain
types of applications. If you choose to expose a computer, you cam enable DMZ. DMZ is short for Demilitarized Zone.
This option will expose the chosen computer completely to the outside world.
Enable SPI:
SPI (Stateful Packet Inspection, also known as dynamic packet
filtering) helps to prevent cyber attacks by tracking more state per
session. It validates that the traffic passing through the session
conforms to the protocol.
NAT Endpoint
Select one of the following for TCP and UDP ports:
Filtering:
Endpoint.Independent.- Any incoming traffic sent to an open port
will be forwarded to the application that opened the port. The port will
close if idle for 5 minutes.
Address.Restricted - Incoming traffic must match the IP address of
the outgoing connection.
Address. +. Port. Restriction - Incoming traffic must match the IP
address and port of the outgoing connection.
Anti-Spoof Check:
Enable this feature to protect your network from certain kinds of
"spoofing" attacks.
Enable DMZ:
If an application has trouble working from behind the router, you can
expose one computer to the Internet and run the application on that
computer.
Note: Placing a computer in the DMZ may expose that computer to
a variety of security risks. Use of this option is only recommended
as a last resort.
DMZ IP Address:
Specify the IP address of the computer on the LAN that you want to have unrestricted Internet communication. If this computer
obtains it's IP address automatically using DHCP, be sure to make a static reservation on the Basic > DHCP page so that
the IP address of the DMZ machine does not change.
D-Link DIR-68 User Manual
Firewall Settings
8
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