D-Link DIR-685 User Manual - Page 56

Firewall Settings, SPI, NAT Endpoint Filter, Anti-Spoof Check, DMZ - security

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Section 3 - Configuration Firewall Settings A firewall protects your network from the outside world. The D-Link DIR-685 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 can 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. 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 its 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-685 User Manual 51

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5²
D-L±nk DIR-685 User Manual
Sect±on ´ - Configurat±on
Firewall Settings
A firewall protects your network from the outside world. The D-Link DIR-685 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 can enable DMZ. DMZ is short for Demilitarized Zone.
This option will expose the chosen computer completely to the outside world.
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.
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.
Specify the IP address of the computer on the
LAN that you want to have unrestricted Internet
communication. If this computer obtains its 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.
Enable SPI:
Enable DMZ:
DMZ IP Address: