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Section 3 - Configuration
A firewall protects your network from malicious attacks over the Internet. The DIR-822 offers a high-performance firewall features like SPI (Stateful
Packet Inspection).
From the Features menu, click Firewall.
Enable DMZ:
Enable or disable Demilitarized Zone (DMZ). Enabling this feature
creates a subnetwork that can be used to expose a single computer
to the Internet for applications that do not run well behind the router.
This may expose the computer to a variety of security risks and is
not recommended.
If you enabled DMZ, enter the IP Address of the client you wish to
DMZ IP
Address:
expose, or select a Computer Name from the drop-down menu.
Enable SPI IPv4:
Click to enable Stateful Packet Inspection (SPI) to help prevent cyber
attacks. This technique validates that the traffic passing through the
session conforms to the protocol.
Enable
Click to enable Anti-Spoof Checking, which will protect your
Anti-Spoof
network from certain kinds of "spoofing" attacks.
Checking:
IPv6 Simple
Click to enable IPv6 Simple Security, which will provide simple
Security:
security capabilities for a local-area IPv6 network.
Click to enable IPv6 Ingress Filtering, which is a technique used to
IPv6 Ingress
Filtering:
make sure incoming packets originate from the networks they claim
to be from (prevents source address spoofing).
Click Advanced Settings... to expand the list and view more options.
D-Link DIR-822 User Manual
Firewall Settings
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