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USING THE WEB-BASED ADVANCED USER INTERFACE
Securing your Wi-Fi
®
Network
Here are a few different ways you can maximize the security of your
wireless network and protect your data from prying eyes and ears� This
section is intended for the home, home office, and small office user�
At the time of this User Manual’s publication, there are four encryption
methods available�
Name
64-Bit Wired
Equivalent
Privacy
128-Bit Wired
Equivalent
Privacy
Wi-Fi Protected
Access-TKIP
Wi-Fi Protected
Access 2
Acronym
64-bit WEP
128-bit WEP
WPA-TKIP/AES (or
just WPA)
WPA2-AES (or just
WPA2)
Security
Good
Better
Best
Best
Features
Static keys
Static keys
Dynamic key
encryption
and mutual
authentication
Dynamic key
encryption
and mutual
authentication
Encryption
keys based on
RC4 algorithm
(typically
40-bit keys)
More secure
than 64-bit
WEP using a
key length of
104 bits plus
24 additional
bits of system-
generated
data
TKIP (Temporal
Key Integrity
Protocol) added
so that keys
are rotated and
encryption is
strengthened
AES (Advanced
Encryption
Standard) does
not cause any
throughput loss
Wired Equivalent Privacy (WEP)
WEP is a common protocol that adds security to all Wi-Fi-compliant
wireless products� WEP was designed to give wireless networks the
equivalent level of privacy protection as a comparable wired network�
64-Bit WEP
64-bit WEP was first introduced with 64-bit encryption, which includes
a key length of 40 bits plus 24 additional bits of system-generated data
(64 bits total)� Some hardware manufacturers refer to 64-bit as 40-bit
encryption� Shortly after the technology was introduced, researchers
found that 64-bit encryption was too easy to decode�
128-Bit WEP
As a result of 64-bit WEP’s potential security weaknesses, a more
secure method of 128-bit encryption was developed� 128-bit encryption
includes a key length of 104 bits plus 24 additional bits of system-
generated data (128 bits total)� Some hardware manufacturers refer to
128-bit as 104-bit encryption�
Most of the new wireless equipment in the market today supports both
64-bit and 128-bit WEP encryption, but you might have older equipment
that only supports 64-bit WEP� All Belkin wireless products will support
both 64-bit and 128-bit WEP�
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Encryption Keys
After selecting either the 64-bit or 128-bit WEP encryption mode, it is
critical that you generate an encryption key� If the encryption key is
not consistent throughout the entire wireless network, your wireless
networking devices will be unable to communicate with one another
on your network and you will not be able to successfully communicate
within your network�
You can enter your key by typing in the hex key manually, or you can
type in a passphrase in the “Passphrase” field and click “Generate” to
create a key� A hex (hexadecimal) key is a combination of numbers and
letters from A–F and 0–9� For 64-bit WEP, you need to enter 10 hex
keys� For 128-bit WEP, you need to enter 26 hex keys�
For instance:
AF 0F 4B C3 D4 =
64-bit WEP key
C3 03 0F AF 0F 4B B2 C3 D4 4B C3 D4 E7
= 128-bit WEP key
The WEP passphrase is NOT the same as a WEP key� Your Router uses
this passphrase to generate your WEP keys, but different hardware
manufacturers might have different methods on generating the keys�
If you have multiple vendors’ equipment in your network, the easiest
thing to do is to use the hex WEP key from your Router or access
point and enter it manually into the hex WEP key table in your Router’s
configuration screen�
Wi-Fi Protected Access
(WPA
)
WPA is a new Wi-Fi standard that was designed to improve upon the
security features of WEP� To use WPA security, the drivers and software
of your wireless equipment must be upgraded to support WPA� These
updates will be found on the wireless vendor’s website� There are two
types of WPA security: WPA-PSK and WPA2�
WPA-PSK uses what is known as a pre-shared key as the network
key� A network key is basically a password that is between eight
and 63 characters long� It can be a combination of letters, numbers,
or characters� Each client uses the same network key to access
the network� Typically, this is the mode that will be used in a home
environment�
WPA2
requires Advanced Encryption Standard (AES) for encryption
of data, which offers much greater security than WPA� WPA uses both
Temporal Key Integrity Protocol (TKIP) and (AES) for encryption�
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Sharing the Same Network Keys
Most Wi-Fi products ship with security turned off� So once you have
your network working, you need to activate WEP or WPA and make sure
your wireless networking devices are sharing the same network key�
The following diagram shows the effect of not having the correct
network key throughout your network�
Using a Hexadecimal Key
A hexadecimal key is a combination of numbers and letters from A–F
and 0–9� 64-bit keys are five two-digit numbers� 128-bit keys are 13
two-digit numbers�
For instance:
AF 0F 4B C3 D4 =
64-bit key
C3 03 0F AF 0F 4B B2 C3 D4 4B C3 D4 E7 =
128-bit key
In the boxes below, make up your key by writing in two characters
between A–F and 0–9 in each box� You will use this key to program the
encryption settings on your Router and your wireless computers�
Note to Mac users:
Original Apple
®
AirPort
®
products support 64-bit
encryption only� Apple AirPort 2 products can support 64-bit or 128-bit
encryption� Please check your product to see which version you are
using� If you cannot configure your network with 128-bit encryption, try
64-bit encryption�
G Wireless Router
Network key=
MyPassword
Network key=
MyPassword
Network key=
MyPassword
Network key=
WRONG Password
G Wireless USB
Network Adapter
G Wireless USB
Network Adapter
G Wireless USB
Network Adapter
The network adapter cannot access the network because it uses a
different network key than the one configured on the wireless router�
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WEP Setup
64-Bit WEP Encryption
1�
Select “WEP” from the “Security” menu’s “Allowed Client Type”�
2�
Select “64 bit” from the drop-down menu in “WEP Mode”�
3�
After selecting your WEP encryption mode, you can enter your
key by typing in the hex key manually, or you can type in your
passphrase� Click “Generate” to generate four different hex keys�
A hex (hexadecimal) key is a combination of numbers and letters from
A–F and 0–9� For 64-bit WEP, you need to enter 10 hex keys�
For instance:
AF 0F 4B C3 D4 =
64-bit WEP key
WARNING:
If you are configuring the G Wireless Router or access point
from a computer with a wireless client, you will need to reconnect to the
Router and set up the connection with the security key you’ve set up�
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128-Bit WEP Encryption
Note to Mac users:
The passphrase option will not operate with Apple AirPort� To configure encryption for your Mac computer, set the encryption
using the manual method described in the next section�
WARNING:
If you are configuring the G Wireless Router or access point
from a computer with a wireless client, you will need to reconnect to the
Router and set up the connection with the security key you’ve set up�
1�
Select “WEP” from the “Security” menu’s “Allowed Client Type”�
2�
Select “128 bit” from the drop-down menu in “WEP Mode”�
3�
After selecting your WEP encryption mode, you can enter your
key by typing in the hex key manually, or you can put a check
mark in “Passphrase”, then type in your passphrase� Click “Apply
Changes” to generate four different hex keys�
A hex (hexadecimal) key is a combination of numbers and letters from
A–F and 0–9� For 128-bit WEP, you need to enter 26 hex keys�
For instance:
C3 03 0F AF 0F 4B B2 C3 D4 4B C3 D4 E7 =
128-bit WEP key

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