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Page 116 / 404 Scroll up to view Page 111 - 115
Chapter 6 Wireless
P-661HNU-Fx User’s Guide
116
Note: If you do not enable any wireless security on your ZyXEL Device, your network
is accessible to any wireless networking device that is within range.
Figure 24
Wireless > General: No Security
The following table describes the labels in this screen.
6.2.2
Basic (Static WEP/Shared WEP Encryption)
WEP encryption scrambles the data transmitted between the wireless stations and
the access points (AP) to keep network communications private. Both the wireless
stations and the access points must use the same WEP key.
There are two types of WEP authentication namely, Open System (
Static WEP
)
and Shared Key (
Shared WEP
).
Open system is implemented for ease-of-use and when security is not an issue.
The wireless station and the AP or peer computer do not share a secret key. Thus
the wireless stations can associate with any AP or peer computer and listen to any
transmitted data that is not encrypted.
Shared key mode involves a shared secret key to authenticate the wireless station
to the AP or peer computer. This requires you to enable the wireless LAN security
and use same settings on both the wireless station and the AP or peer computer.
Table 13
Wireless > General: No Security
LABEL
DESCRIPTION
Security
Level
Choose
No Security
from the sliding bar.
Page 117 / 404
Chapter 6 Wireless
P-661HNU-Fx User’s Guide
117
In order to configure and enable WEP encryption, click
Network Settings >
Wireless
to display the
General
screen. Select
Basic
as the security level. Then
select
Static WEP
or
Shared WEP
from the
Security
Mode
list.
Figure 25
Wireless > General: Basic (Static WEP/Shared WEP)
The following table describes the labels in this screen.
Table 14
Wireless > General: Basic (Static WEP/Shared WEP)
LABEL
DESCRIPTION
Security
Mode
Choose
Static WEP
or
Shared WEP
from the drop-down list box.
•
Select
Static WEP
to have the ZyXEL Device allow association with
wireless clients that use Open System mode. Data transfer is encrypted
as long as the wireless client has the correct WEP key for encryption.
The ZyXEL Device authenticates wireless clients using Shared Key
mode that have the correct WEP key.
•
Select
Shared WEP
to have the ZyXEL Device authenticate only those
wireless clients that use Shared Key mode and have the correct WEP
key.
WEP Key
Enter a WEP key that will be used to encrypt data. Both the ZyXEL Device
and the wireless stations must use the same WEP key for data
transmission.
If you want to manually set the WEP key, enter any 5 or 13 characters
(ASCII string) or 10 or 26 hexadecimal characters ("0-9", "A-F") for a 64-
bit or 128-bit WEP key respectively.
Page 118 / 404
Chapter 6 Wireless
P-661HNU-Fx User’s Guide
118
6.2.3
More Secure (WPA(2)-PSK)
The WPA-PSK security mode provides both improved data encryption and user
authentication over WEP. Using a Pre-Shared Key (PSK), both the ZyXEL Device
and the connecting client share a common password in order to validate the
connection. This type of encryption, while robust, is not as strong as WPA, WPA2
or even WPA2-PSK. The WPA2-PSK security mode is a newer, more robust version
of the WPA encryption standard. It offers slightly better security, although the use
of PSK makes it less robust than it could be.
Click
Network Settings
>
Wireless
to display the
General
screen. Select
More
Secure
as the security level. Then select
WPA-PSK
or
WPA2-PSK
from the
Security Mode
list.
Figure 26
Wireless > General: More Secure: WPA(2)-PSK
The following table describes the labels in this screen.
Table 15
Wireless > General: WPA(2)-PSK
LABEL
DESCRIPTION
Security Level
Select
More Secure
to enable WPA(2)-PSK data encryption.
Security Mode
Select
WPA-PSK
or
WPA2-PSK
from the drop-down list box.
Pre-Shared Key
The encryption mechanisms used for
WPA/WPA2
and
WPA-PSK/
WPA2-PSK
are the same. The only difference between the two is that
WPA-PSK/WPA2-PSK
uses a simple common password, instead of
user-specific credentials.
Type a pre-shared key from 8 to 63 case-sensitive ASCII characters or
64 hexidecimal digits.
more.../hide
more
Click
more...
to show more fields in this section. Click
hide more
to
hide them.
Page 119 / 404
Chapter 6 Wireless
P-661HNU-Fx User’s Guide
119
6.2.4
WPA(2) Authentication
The WPA2 security mode is currently the most robust form of encryption for
wireless networks. It requires a RADIUS server to authenticate user credentials
and is a full implementation the security protocol. Use this security option for
maximum protection of your network. However, it is the least backwards
compatible with older devices.
The WPA security mode is a security subset of WPA2. It requires the presence of a
RADIUS server on your network in order to validate user credentials. This
encryption standard is slightly older than WPA2 and therefore is more compatible
with older devices.
WPA-PSK
Compatible
This field appears when you choose
WPA-PSK2
as the
Security Mode
.
Check this field to allow wireless devices using
WPA-PSK
security
mode to connect to your ZyXEL Device. The ZyXEL Device supports
WPA-PSK and WPA2-PSK simultaneously.
Encryption
If the security mode is
WPA-PSK
, the encryption mode is set to
TKIP
to enable Temporal Key Integrity Protocol (TKIP) security on your
wireless network.
If the security mode is
WPA-PSK2
and
WPA-PSK Compatible
is
disabled, the encryption mode is set to
AES
to enable Advanced
Encryption System (AES) security on your wireless network. AES
provides superior security to TKIP.
If the security mode is
WPA-PSK2
and
WPA-PSK Compatible
is
enabled, the encryption mode is set to
TKIPAES MIX
to allow both
TKIP and AES types of security in your wireless network.
Table 15
Wireless > General: WPA(2)-PSK (continued)
LABEL
DESCRIPTION
Page 120 / 404
Chapter 6 Wireless
P-661HNU-Fx User’s Guide
120
Click
Network Settings
>
Wireless
to display the
General
screen. Select
More
Secure
as the security level. Then select
WPA
or
WPA2
from the
Security Mode
list.
Figure 27
Wireless > General: More Secure: WPA(2)
The following table describes the labels in this screen.
Table 16
Wireless > General: More Secure: WPA(2)
LABEL
DESCRIPTION
Security Level
Select
More Secure
to enable WPA(2)-PSK data encryption.
Security Mode
Choose
WPA
or
WPA2
from the drop-down list box.
Authentication Server
IP Address
Enter the IP address of the external authentication server in dotted
decimal notation.
Port Number
Enter the port number of the external authentication server. The
default port number is
1812
.
You need not change this value unless your network administrator
instructs you to do so with additional information.
Shared Secret
Enter a password (up to 31 alphanumeric characters) as the key to be
shared between the external authentication server and the ZyXEL
Device.
The key must be the same on the external authentication server and
your ZyXEL Device. The key is not sent over the network.
more.../hide
more
Click
more...
to show more fields in this section. Click
hide more
to
hide them.
WPA Compatible
This field is only available for WPA2. Select this if you want the ZyXEL
Device to support WPA and WPA2 simultaneously.

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