Firewall Setting - D-Link DIR-840 User Manual

Section 4 - Advanced
The DIR-840's firewall protects your network from malicious attacks over the Internet. Sometimes you may want to expose a
computer for certain types of applications. If you choose to completely expose a computer, you can enable DMZ (Demilitarized
Zone).
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.
Enable Anti-spoof
Enable this feature to protect your network from certain
Checking:
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 Setup > Network.
Settings page so that the IP address of the DMZ machine
does not change.
D-Link DIR-840 User Manual

Firewall Setting

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