ADSL2/2+ Modem Router
www.kraun.it
39
Click “Add” to enter details for a
new filter in the following screen:
a. Filter Name: Set the filter
name to help identification.
b. Protocol: Select one from four
available protocols:
TCP/UDP, TCP, UDP, ICMP.
c. Source IP Address: Enter the
external network IP Address
to be filtered.
d. Source Subnet Mask: Enter
the Subnet Mask
corresponding to the external
network IP Address to be
filtered.
e. Source Port: Enter the port number of the external network IP Address
to be filtered.
f. Destination IP Address: Enter the internal network IP Address to be
filtered.
h. Destination Subnet Mask: Enter the Subnet Mask corresponding to the
internal network IP Address to be filtered.
i. Destination Port: Enter the port number of the internal 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 rule.
