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D840R ADSL2+ Router User Guide
5)
Click “Add” to display
the window shown in
the right figure.
a.
Filter Name: Setting the
filtering name to
facilitate identification.
b.
Protocol: Selecting one
from four available
protocols: TCP/UDP;
TCP; UDP; ICMP.
c.
Source IP address:
Entering the external
network IP address to
be filtered.
d.
Source Subnet Mask:
Entering the subnet
mask corresponding
to the external
network IP address to
be filtered.
e.
Source Port: Entering
the port number of the
external network IP
address to be filtered.
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D840R ADSL2+ Router User Guide
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.
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D840R ADSL2+ Router User Guide
5)
Click “Save/Apply”.
5.2.4.2. Parent Control
1) Click “Time of Day
Restriction” to display
the window shown in
the right figure.
2)
Click “Add” to display
the window shown in
the right figure. Here,
you can set a specific
period
to
restrict
Internet access of a
MAC address.
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D840R ADSL2+ Router User Guide
3)
Click “Save/Apply”.
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D840R ADSL2+ Router User Guide
5.2.5 Routing
5.2.5.1 Default Gateway
1)
Click “Routing”
→
“Default
Gateway” to display the
window shown in the right
figure.
Enable Automatic
Assigned Default Gateway:
You can check/uncheck
this option. If you uncheck
this option, you need to
manually enter the default
gateway address and WAN
service. It is recommended
to keep the default setting
unchanged.
2)
Click “Save/Apply”.
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