ADSL2/2+ Modem Router
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d. Source Subnet Mask: Enter the Subnet Mask corresponding to the
internal network IP Address to be filtered.
e. Source Port: Enter the port number of the internal network address
to be filtered.
f. Destination IP Address: Enter the external network IP Address to be
filtered.
g. Destination Subnet Mask: Enter the Subnet Mask corresponding to
the external network IP Address to be filtered.
h. Destination Port: Enter the port number of the external network IP
Address to be filtered.
Based on the above settings, you may add your filtering rules.
You may also select your WAN interface. However, it is recommended
keeping the default setting unchanged.
Click “Save/Apply” to save and activate the filter.
Click “Incoming” to display the window below. By default, all incoming
traffic is restricted. However, you may set IP filtering to allow internal
network access by some external computers.
