The MAC Filtering page is for setting up filtering rules for MAC-level frames:

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And the Parental Control allows to let outside users in by a schedule:

Routing rules for dynamic and static routes are set up in the Routing folder. The router’s main gateway is specified here, too.

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DNS servers and Dynamic DNS parameters are specified on the pages of the DNS folder.

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The ADSL page is responsible for the supported ADSL modulation types and allows controlling the frequency channels.

On the Port Mapping page you can route multiple WAN connections to the available LAN ports.

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