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Section 3 - Configuration
Go to Features > Firewall to configure the router's firewall settings. The firewall feature protects your network from
malicious attacks over the Internet.
To configure the IPv4 firewall rules, click the IPv4 Rules tab. Refer to Firewall Settings - IPv4/IPv6 Rules on page 66
To configure the IPv6 firewall rules, click the IPv6 Rules tab. Refer to Firewall Settings - IPv4/IPv6 Rules on page 66
Click Save at any time to save the changes you have made on this page.
Enable DMZ
Enable or disable Demilitarized Zone (DMZ). Devices in this
zone are completely exposed to threats over the Internet.
This is not recommended unless they are servers that must
be exposed to the WAN.
DMZ IP Address
If you enable DMZ, enter the IP address of the client to be
placed in this zone, or use the drop-down menu to quickly
select one of the clients.
Enable SPI IPv4
Enabling Stateful Packet Inspection (SPI) or dynamic packet
filtering helps prevent cyber attacks by tracking more states
per session to validate that the traffic passing through the
session conforms to the protocol.
Enable Anti-spoof
Enable this feature to help protect your network from certain
Checking
kinds of "spoofing" attacks.
IPv6 Simple Security
Enable or disable IPv6 simple security. A simple firewall
configuration that denies access directly to computers behind
the router.
IPv6 Ingress Filtering
Enable or disable IPv6 ingress filtering for incoming packets
to prevent suspicious senders.
D-Link G403 User Manual
Firewall
64
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