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3.2.3.2 WPA/WPA2 Encryption
Wi-Fi Protected Access
(WPA)
is an encryption method for WLAN. WPA contains the WEP architecture, but offers additional
protection via dynamic codes, which are based on the Temporal Key Integrity Protocol (TKIP), and also offers pre-shared keys
(PSK) or extensible authentication protocol (EAP) for user authentication. However, a radius server is required for this. WPA2 is a
development of WPA and uses a different encryption algorithm, advanced encryption standard (AES).
Select
WPA Pre-shared Key
under Encryption. Then, under WPA Unicast Cipher Suite, select WPA (TKIP) or WPA (AES).
Then you must select the
Pre-shared Key Format.
Select
either
Passphrase
for a key with a length of at least 8 and
max. 63 characters, whereby letters (A-Z), numbers and
punctuation marks can be used, or
Hex
for a 64 character
key, in which only numbers from 0-9 and
letters from a-f can be used. The next step is entering a
key, called a
pre-shared-key
(PSK). All clients which are to
access the access point must know this character string.
Click
Apply
to save your settings. You must then restart the
router for the settings to take effect. To do so, click
Apply
in
the next window. The wireless network with encryption is
available after you restart.
3.2.4 WPS Automatic confi guration
WPS (WiFi Protected Setup) is a function that makes the security confi guration of the Wireless LAN connection easier. In order to be
able to use the function, the router/access point and the remote station (WLAN USB stick, PCI card or PCMCIA card) must have the
WPS function. To carry out the security confi guration, proceed as follows:
The router/access point specifi es which encryption and which key is used. The encryption entered here applies to all users of the
network.
There are two methods:
a) Confi guration using the button
Press
the
WPS button
on the router/access point. Within two minutes, you must press the
PBC
button on the
WPS
tab page in
the WLAN adapter’s confi guration program. The connection is now established automatically.
b) Pin code
Make a note of the
pin code
, which is displayed in the WLAN adapter’s confi guration program. Select the target network in the
upper list and then click
PIN
. Switch to the user interface of the router. If your router supports this method, you will fi nd an entry
fi eld for the
pin code
in the WPS settings. Enter the code you noted earlier and start the transmission. The connection is now
established
automatically.
If the connection is successful, a profi le is created, which is restored automatically when you reconnect.