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D810R ADSL2+ Router User Guide
access the network
(especially the family
network).
Click “Save/Apply” to
activate the settings.
5.2.4 Security
5.2.4.1 IP Filtering
1)
Click “Security”
→
“IP
Filtering” to display the
window shown in the
right figure.
By default, all
outgoing traffic is
allowed. However,
you can set IP filtering
to restrict external
network access by
some computers in
the internal network.
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D810R ADSL2+ Router User Guide
2)
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 internal
network IP address to
be filtered.
d.
Source Subnet Mask:
Entering the subnet
mask corresponding
to the internal network
IP address to be
filtered.
e.
Source Port: Entering
the port number of the
internal network IP
address to be filtered.
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D810R ADSL2+ Router User Guide
f.
Destination IP
address: Entering the
external network IP
address to be filtered.
g.
Destination Subnet
Mask: Entering the
subnet mask
corresponding to the
external network IP
address to be filtered.
h.
Destination Port:
Entering the port
number of the
external 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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D810R ADSL2+ Router User Guide
3)
Click “Save/Apply”.
4)
Click “Incoming” to
display the window
shown in the right
figure. By default, all
incoming traffic is
restricted. However,
you can set IP filtering
to allow internal
network access by
some external
computers.
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D810R 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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19216811.live