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3.4.5 WPA
The Wi-Fi Protected Access (WPA) is currently the highest level of security a
wireless network can achieve. It is a subset of the security specification and
has been introduced as an interim solution for most known security
weaknesses in comparison to the plain WEP.
TKIP
, the successor to WEP, enhances the ability to eliminate the known
vulnerabilities of WEP. Enterprises that already have RADIUS in place can
use WPA with 802.1x or RADIUS (WPA-EAP).
A WLAN client with WPA capabilities is needed to acquire a digital certificate
to be successfully authenticated by RADIUS via a specific EAP channel, TLS.
It is typically called supplicant, or it is associated with a software application.
Software vendors, including Microsoft, offer upgrades for their cards. The
most popular software application that runs on WLAN clients in the market is
the Windows XP SP2. (SP1 with WPA hotfix) provided by Microsoft.
Select
Use WPA with RADIUS Server
and set the Group Key Rekey Settings
to
No rekeying
or enter the frequency to rekey for the number of
minutes
or
the volume of
packets
(x 1000). Small business and home wireless LANs
can use WPA without 802.1x by selecting
Use WPA with pre-shared key
and entering a
password phrase
. Click the
Apply
button to save the new
configuration.
Содержание MIL-W2331G
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