42 
from a remote location via the Internet. 
There are six submenus under the Security menu (shown in Figure 4-34): Fire
wall, IP Address 
Filtering,  Domain Filtering,  MAC Address Filtering,  Remote Management and Advanced 
Security. Click any of them, and you will be able to configure the corresponding function. The 
detailed explanations for each submenu are provided below. 
 
Figure 4-34 The Security menu 
4.10.1  Firewall 
Selecting Security > Firewall will allow you to turn on or off the general firewall switch as shown 
in Figure 4-35. The default setting for the switch is off. Turning the general firewall switch to off will 
disable IP Filtering, Do
main Filtering and MAC Filtering even if their individual settings are 
enabled. 
 
Figure 4-35 Firewall Settings 
¾  Enable Firewall - Check this box to enable Firewall. 
¾  Enable IP Address Filtering - Check this box to enable IP Address Filtering. There are two 
default filtering rules for IP Address Filtering: Allow or Deny the packets specified to pass 
through the router. 
¾  Enable Domain Filtering - Check this box to enable Domain Filtering.