Motorola MD1600 User Manual page 67

Click Modify Firewall or Remove Firewall to modify or remove the firewall. And
click Modify Rule or Remove Rule to modify or remove the rule.
Click Add Firewall, and the following page appears.

name: The name of firewall.

interface: You can select LAN or WAN from the drop-down list.

type: You can select IN or OUT from the drop-down list.

defaultaction: You can select Permit or Drop from the drop-down list.
MAC Filtering Setup
In some cases, you may want to manage Layer2 MAC address to block or permit a
computer within the home network. When you enable MAC filter rules, the DSL
router serves as a firewall that works at layer 2.
User Manual
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