Advantech IEEE 802.11a/n Wireless Access Point/ Client Bridge User Manual page 32

Destination Port Filtering: The destination port filtering enables you to restrict certain ports 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 19 Destination Port Filtering
Port Forwarding: The port forwarding allows you to automatically redirect common network services
to a specific machine behind the NAT firewall. These settings ne are only necessary if you wish to host
some sort of server like a web server or mail server on the private local network behind the router's
NAT firewall.
Figure 20 Port Forwarding
EKI-6331AN_User Manual
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