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internet. If you are not sure, leave it blank.
Step 7 Destination IP address [/prefix length]: Specify the external network IP address to be accessed by
specified LAN PCs.
Step 8 Destination Port (port or port:port): Specify a port number or a range of ports used by LAN PCs to
access external network.
Step 9 Click Apply/Save.
--End
Incoming
When the firewall is enabled on a WAN or LAN interface, all incoming IP traffic is BLOCKED. However, some IP
traffic can be ACCEPTED by setting up filters. The Incoming function allows you to create a filter rule to identify
incoming IP traffic by specifying a new filter name and at least one condition.
Choose Advanced> Advanced Setup > Security > IP Filtering > Incoming to enter the configuration page.
To configure the Outgoing function, perform the following procedure:
Step 1 Click Add.
Step 2 Filter Name: Enter a descriptive filtering name.
Step 3 IP Version: Select your IP protocol, IPv4 or IPv6.
Step 4 Protocol: Select a protocol for the filter rule.
Step 5 Source IP address [/prefix length]: Enter the internal IP address [/prefix length] to be filtered.
Step 6 Source Port (port or port: port): Specify a port number or a range of ports used by PCs from external
network to access your internal network.
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