19
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.
1 Click .
2 Select 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.
3 Select 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.
1 Click .
2 Select LAN MAC Filter Mode.
3 Enter 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
