Wireless LAN – WLAN
58
3.4
Configuration of WLAN parameters
BAT54-Rail/F..
Release
7.54
06/08
The tab '802.11i/WEP' in the configuration area 'WLAN Security' is used for
setting the encryption parameters for each logical WLAN. Open the list with
the button for WPA or Private WEP settings.
Type of encryption
First of all, select the type of encryption for the individual logical WLAN inter-
faces:
D Yes—Access only for stations with encryption (recommended): In this
mode, only the WLAN clients with activated WEP and the correct key can
register with the access point.
D Yes—Access also for stations without encryption allowed: In this mode,
WLAN clients with activated WEP and WLAN clients (without WEP) can
register with this access point.
D No—No encryption
Method/
Key 1 length
Set the encryption method to be used here.
D 802.11i (WPA)-PSK – Encryption according to the 802.11i standard offers
the highest security. The 128-bit AES encryption used here offers security
equivalent to that of a VPN connection.
D WEP 152, WEP 128, WEP 64 – encryption according to the WEP stan-
dard with key lengths of 128, 104 or 40 bits respectively. This setting is
only to be recommended when the hardware used by the WLAN client
does not support the modern method.
D WEP 152-802.1x, WEP 128-802.1x, WEP 64-802.1x – encryption accord-
ing to the WEP standard with key lengths of 128, 104 or 40 bits respec-
tively, and with additional authentication via 802.1x/EAP. This setting is
also only to be recommended when the hardware used by the WLAN cli-
ent does not support the 802.11i standard. The 802.1x/EAP authentica-
tion offers a higher level of security than WEP encryption alone, although
the necessity for a RADIUS server makes very high demands of the IT in-
frastructure.
Key 1/passphrase
In line with the encryption method activated, you can enter a special WEP
key for the respective logical WLAN interface or a passphrase when using
WPA-PSK:
D The passphrase, or the 'password' for the WPA-PSK method, is entered
as a string of at least 8 and up to 63 ASCII characters.
Note: Please be aware that the security of this encryption method depends
on the confidential treatment of this passphrase. Passphrases should not
be made public to larger circles of users.
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