Tenda D840 User Manual page 67

f. Destination IP
address: Entering the
internal network IP
address to be filtered.
h. Destination Subnet
Mask: Entering the
subnet mask
corresponding to the
internal network IP
address to be filtered.
i. Destination Port:
Entering the port
number of the internal
network IP address to
be filtered.
Based on the above
settings, you can add
your filtering rules.
You can select your
WAN interface.
However, it is
recommended to keep
the default setting
unchanged.
D840R ADSL2+ Router User Guide
62