Firewall Settings - D-Link DIR-803 User Manual

Section 3 - Configuration
A firewall protects your network from the outside world. The DIR-803 offers a firewall type functionality. The SPI (Stateful Packet
Inspection) feature helps prevent cyber attacks. There may be times when you may want a computer exposed to the outside
world for certain types of applications. If you choose to expose a computer, you can enable DMZ.
Enable SPI:
SPI (Stateful Packet Inspection, also known as dynamic packet
filtering) helps 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 kinds
Checking:
of "spoofing" attacks.
Enable DMZ:
If an application has trouble working from behind the router,
you can Enable DMZ to expose a 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. Using 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.
PPTP:
Allows multiple machines on the LAN to connect to their corporate network using PPTP protocol.
D-Link DIR-803 User Manual

Firewall Settings

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