4Security Settings (Optional)
Click Security. You can configure the advanced security settings.
Firewall Switch
Your device has a true firewall that controls the incoming and outgoing data flow and protects your computer from illegal intrusion.
1Click 
.
2Select the Enable the firewall (main switch of the firewall) check box to enable the firewall.
Note | • Only when the Enable the firewall |
| check box is selected, the other |
| functions such as the IP address filter |
| function, the MAC address filter function, |
| and the WAN port ping function are |
| available. |
| • When the Enable LAN MAC address |
| filter check box is selected, the default |
| filter rules are available. |
3Select other options as required, and then click Apply.
LAN MAC Filter
Your device supports MAC filtering based on a list of either denied or allowed computers. A common method to restrict network access is to specify the Media Access Control (MAC) address.
To locate the MAC address in the Windows OS, choose Start > Run, and then enter cmd.
The command window is displayed, enter ipconfig / all, and then press Enter.
The MAC address is displayed as the Physical Address.
1Click 
.
2Select LAN MAC Filter Mode.
3Enter the MAC addresses of the clients and click Apply.
LAN IP Filter
You can configure the device to block specific IP addresses so that they cannot be accessed from
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