D-Link DI-774 - Manual (Page 29)

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Using the Configuration Menu (continued)
Advanced > Firewall
Firewall Rules is an advanced feature used to deny or allow traffic from passing
through the DI-774. It works in the same way as IP Filters with additional settings.
You can create more detailed access rules for the DI-774. When virtual services are
created and enabled, it will also display in Firewall Rules. Firewall Rules contains all
network firewall rules pertaining to IP (Internet Protocol).
In the Firewall Rules List at the bottom of the screen, the priorities of the rules are
from top (highest priority) to bottom (lowest priority.)
Note: The DI-774 MAC Address filtering rules have precedence over the Firewall
Rules.
Schedule- Select Always or enter the Time.
Firewall Rules -
Name-
Action-
Source-
Enable or disable the Firewall Rules
Enter a name for the rule
Allow or deny IP traffic through the router
Enter the IP Address range
Destination- Enter the IP Address range; the Protocol;
and the Port Range