84Firewall SettingsThe firewall is a system or group of systems that enforce an access control policy between twonetworks. It may also be defined as a mechanism used to protect a trusted network from anun-trusted network. The IEEE 802.11n ZAC Access Point has capabilities of Source IP Filtering,Destination IP Filtering, Source Port Filtering, Destination Port Filtering, Port Forwarding as well asDMZ. This is available only under Router Mode.Source IP Filtering:You may create and activate a rule that filters a packet based on the source IP address fromyour local network to Internet. Check “Enable Source IP Filtering” to activate rule.Local IP Address: Enter the IP address you would like to restrict.Comment: Make comments to record your filtering rule.Click Apply and the IP address will be added in the list. To delete the IP address from filtering,click Select checkbox of the designated IP address and click the Delete Selected button. Youmay delete all the IP addresses in the list by clicking Delete All.Destination IP Filtering: