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3.6.6  Firewall 
You may setup firewall rules to protect your network from virus, worm and malicious activity on the 
Internet. 
  Notes: 
You can set the maximum 5 filtering items for IP Port/MAC filtering. 
IP Port filtering 
Select Settings > Firewall > IP Port filtering, the IP Port filtering is shown in the following figure: 
 
If you select Enable, the filter settings will appear: 
 
• Default Policy: Set how to handle the packet if any of the rules matches. 
• Dest. IP Address: Set the destination IP address that will be filtered. 
• Subnet mask: The mask identifies the host address. 
• Protocol: Specifies the destination port type. 
  Notes: 
Filtering rules are matched one by one, if met this provision, it will not continue to match the rules 
listed below. 
Click Apply to confirm your configuration.