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The types of encryption you can choose depend on the type of user authentication. (See
information about this.)
Table 20 Types of Encryption for Each Type of Authentication
NO AUT HENT IC AT IO N
No Security
We a ke st
WPA-PSK
WPA2-PSK
Stro ng e st
For example, if the wireless network has a RADIUS server, you can choose
log in to the wireless network, you can choose
Usually, you should set up the strongest encryption that every wireless client in the wireless network
supports. For example, suppose the AP does not have a local user database, and you do not have a
RADIUS server. Therefore, there is no user authentication. Suppose the wireless network has two wireless
clients. Device A only supports WPA, and device B supports WPA and WPA2. Therefore, you should set
up
or
in the wireless network.
WPA
WPA- PSK
Note: It is recommended that wireless networks use
IEEE 802.1x and WEP encryption are better than none at all, but it is still possible for
unauthorized devices to figure out the original information pretty quickly.
Note: It is not possible to use
In this case, it is better to set up stronger encryption with no authentication than to set
up weaker encryption with the local user database.
When you select
or
WPA2
) to support WPA/WPA-PSK as well. In this case, if some wireless clients support WPA and
C o m pa tib le
some support WPA2, you should set up
login) and select the
WPA
Many types of encryption use a key to protect the information in the wireless network. The longer the
key, the stronger the encryption. Every wireless client in the wireless network must have the same key.
G ue st WL AN
Guest WLAN allows you to set up a wireless network where users can access to Internet via the NBG6604
(
), but not other networks connected to the
Z
Internet from the guest wireless network
Note: The home or company network
Note: Only Router mode supports guest WLAN.
Chapter 10 Wireless LAN
RADIUS SERVER
WPA
WPA2
no e nc ryptio n
,
or stronger encryption with a local user database.
WPA- PSK
WPA
in your NBG6604, you can also select an option (
WPA2- PSK
or
WPA2- PSK
/
option in the NBG6604.
WPA- PSK C o m pa tib le
. In the following figure, a guest user can access the
Z
via
but not the home or company network
A
Z
and Guest WLAN network are independent networks.
N
NBG6604 User's Guide
66
WPA
,
, or
WPA- PSK
WPA2- PSK
,
, or stronger encryption.
WPA- PSK
WPA
(depending on the type of wireless network
WPA2
page 65
for
or
. If users do not
WPA2
.
/
WPA
WPA- PSK
.
N
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