D-Link DIR-652 User Manual - Page 44

Firewall Settings

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Section 3 - Configuration Firewall Settings A firewall protects your network from the outside world. The D-Link DIR-652 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 cam 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 SPI NAT Endpoint Filtering DMZ attacks by tracking more state per session. It validates that the traffic passing through the session conforms to the protocol. NAT Endpoint Select one of the following for TCP and UDP ports: Filtering: Endpoint Independent - Any incoming traffic sent to an open port will be forwarded to the application that opened the port. The port will close if idle for 5 minutes. Address Restricted - Incoming traffic must match the IP address of the outgoing connection. Address + Port Restriction - Incoming traffic must match the IP address and port of the outgoing connection. D-Link DIR-652 User Manual 39

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39
D-Link DIR-652 User Manual
Section 3 - Configuration
SPI
NAT Endpoint Filtering
DMZ
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.
Select one of the following for TCP and UDP ports:
Endpoint Independent
- Any incoming traffic
sent to an open port will be forwarded to the
application that opened the port. The port will
close if idle for 5 minutes.
Address Restricted
- Incoming traffic must match
the IP address of the outgoing connection.
Address + Port Restriction
- Incoming traffic must
match the IP address and port of the outgoing
connection.
Enable SPI:
NAT Endpoint
Filtering:
Firewall Settings
A firewall protects your network from the outside world. The D-Link DIR-652 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 cam enable DMZ. DMZ is short for Demilitarized Zone. This option will expose the chosen computer completely
to the outside world.