EKI-6331AN_User Manual
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Global-Key Update: Check this option and specify the time interval between two global-key
updates.
Firewall Settings
The firewall is a system or group of systems that enforce an access control policy between two
networks. It may also be defined as a mechanism used to protect a trusted network from an
un-trusted network. EKI-6331AN has capabilities of Source IP Filtering, Destination IP Filtering,
Source Port Filtering, Destination Port Filtering, Port Forwarding as well as DMZ. This is available
only under Router Mode.
Source IP Filtering: The source IP filtering gives users the ability to restrict certain types of data
packets from your local network to Internet through EKI-6331AN. Use of such filters can be helpful in
securing or restricting your local network.
Figure 16 Source IP Filtering
Destination IP Filtering: The destination IP filtering gives you the ability to restrict the computers in
LAN from accessing certain websites in WAN according to specified IP addresses. Check the
“Enable Destination IP Filtering” checkbox and enter the IP address of the clients to be restricted.
Hit Apply to make the setting take effect.
