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Chapter
6
Network Security
This chapter guides you on how to protect your home network from unauthorized
users by implementing these three network security functions. You can block or allow
specific client devices to access your wireless network using MAC Filtering, or using
Access Control for wired and wireless networks, or you can prevent ARP spoofing and
ARP attacks using IP & MAC Binding.
•
MAC Filtering
•
Access Control
•
IP & MAC Binding
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Chapter 6
Network Security
6° 1°
MAC Filtering
This function exploits the uniqueness of the MAC (Medium Access Control) address,
a unique 12-digit hexadecimal address (for example, D8:5D:4C:B4:46:EA) of every
network device, to determine if the device can or cannot access your wireless network.
Prevent unauthorized users from accessing my wireless network
by utilizing the network device’s MAC address.
For example
, I have a computer that is connected to my wireless
network. Now, an unknown device (an intruder) is also using my
wireless network, which affects my Internet speed. I would like
to control my wireless network with the following capabilities:
• My computer is always allowed to access the wireless network.
• The unknown device is not allowed to access the wireless
network.
• I don’t have to keep changing my wireless password as often.
1°
Visit
http://tplinkmodem.net
, and log in with the password
you set for the router.
2°
Go to
Advanced
>
Wireless
>
MAC Filtering
and enable
Wireless MAC Filtering
.
3°
Select the filtering rule to either block (recommended) or
allow the device(s) in the list.
To block specific device(s)
I want to:
How can I
do that?
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Chapter 6
Network Security
1 ) Select
Block wireless access from the devices in the list
below
and click
Save
.
2 ) Select the device(s) to be blocked in the
Devices Online
table.
3 ) Click
Block
above the
Devices Online
table. The selected
devices will be added to
Devices List
automatically.
To allow specific device(s)
1 ) Select
Allow wireless access only from the devices in the
list below
and click
Save
.
2 ) Click
Add
.
3 ) Enter the
MAC Address
(You can copy and paste the
MAC Address
from
Devices Online
list if the device is
connected to your wireless network).
4 ) Enter the
Description
of the device.
5 ) Select the checkbox to enable this entry, and click
OK
.
Now MAC Filtering is implemented to protect your wireless
network.
6° 2°
Access Control
Access Control is used to block or allow specific client devices to access your network
(via wired or wireless) based on a list of blocked devices (Blacklist) or a list of allowed
devices (Whitelist).
Block or allow specific client devices to access my network (via
wired or wireless).
1°
Visit
http://tplinkmodem.net
, and log in with the password
you set for the router.
Done!
I want to:
How can I
do that?
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Chapter 6
Network Security
2°
Go to
Advanced
>
Security
>
Access Control
and enable
Access Control.
3°
Select the access mode to either block (recommended) or
allow the device(s) in the list.
To block specific device(s)
1 ) Select
Blacklist
and click
Save
.
2 ) Select the device(s) to be blocked in the
Devices Online
table.
3 ) Click
Block
above the
Devices Online
table. The selected
devices will be added to
Devices in Blacklist
automatically.
To allow specific device(s)
1 ) Select
Whitelist
and click
Save
.
2 ) Click
Add
.
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Chapter 6
Network Security
3 ) Enter the
Device Name
and
MAC Address
(You can copy
and paste the information from
Devices Online
table if
the device is connected to your network).
4 ) Click
OK
.
Now you can block or allow specific client devices to access your
network (via wired or wireless) using the
Blacklist
or
Whitelist
.
6° 3°
IP & MAC Binding
IP & MAC Binding, namely, ARP (Address Resolution Protocol) Binding, is used to bind
network device’s IP address to its MAC address. This will prevent ARP spoofing and
other ARP attacks by denying network access to a device with matching IP address in
the Binding list, but unrecognized MAC address.
Prevent ARP spoofing and ARP attacks.
1°
Visit
http://tplinkmodem.net
, and log in with the password
you set for the router.
2°
Go to
Advanced
>
Security
>
IP & MAC Binding
and enable
IP
& MAC Binding
.
3°
Bind your device(s) according to your needs.
To bind the connected device(s)
1 ) Select the device(s) to be bound in the
ARP List
.
2 ) Click
Bind
to add to the
Binding List
.
To bind the unconnected device
Done!
I want to:
How can I
do that?
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