50D-Link COVR-C1203 User Manual
Section 3 - Conguration
Firewall
Advanced
The integrated rewall helps protect your network from malicious attacks over 
the Internet. In the Features menu on the bar on the top of the page, click 
Firewall Settings. Click Advanced Settings... to expand the list and see all of 
the options. 
Enable DMZ: Enable or disable Demilitarized Zone (DMZ). This completely exposes 
the client to threats over the Internet, and is not recommended in 
ordinary situations.
DMZ IP Address: If you enabled DMZ, enter the IP address of the client you wish to 
expose, or use the drop-down menu to quickly select it.
Enable SPI IPv4: Enabling Stateful Packet Inspection (SPI) helps to prevent cyber 
attacks by verifying that the trac passing through the session 
conforms to known protocols.
Enable Anti-Spoof 
Checking:
Enable this feature to protect your network from certain kinds of 
“spoong” attacks.
IPv6 Simple 
Security:
Enable or disable IPv6 simple security.
IPv6 Ingress 
Filtering:
Enable or disable IPv6 ingress ltering.