D-Link DIR-412 - Firewall Settings; Enable SPI; DMZ Host

49D-Link DIR-412 User Manual
Section 3 - Conguration
SPI (Stateful Packet Inspection, also known as dynamic packet ltering)
helps to prevent cyber attacks by tracking more state per session. It
validates that the trac passing through the session conforms to the
protocol.
Check the Enable DMZ box and specify the IP address of the computer
on the LAN that you want to have unrestricted Internet communication
in the DMZ IP Address eld. Use the drop-down menu to specify a host
that currently has a DHCP lease from the DIR-412. If this computer has
obtained its IP address automatically using DHCP, be sure to make a static
reservation on the System > Network Settings page so that the IP address
of the DMZ machine does not change.
Use this section to create rules that deny or allow trac from passing
through the device. See the following page for information on how to
create rewall rules.
Enable SPI:
DMZ Host:
Firewall Rules:
Firewall Settings
A rewall protects your network from the outside world. The D-Link DIR-412 oers a rewall 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.