Overview
Chapter 10: Working with Wireless Networks 271
Security
Protocol
Description
WEP encryption In the WEP (Wired Equivalent Privacy) encryption security method, wireless
stations must use a pre-shared key to connect to your network. This method
is not recommended, due to known security flaws in the WEP protocol. It is
provided for compatibility with existing wireless deployments.
Note: The appliance and the wireless stations must be configured with the
same WEP key.
802.1x: RADIUS
authentication, no
encryption
In the 802.1x security method, wireless stations (supplicants) attempting to
connect to the access point (authenticator) must first be authenticated by a
RADIUS server (authentication server) which supports 802.1x . All messages
are passed in EAP (Extensible Authentication Protocol).
This method is recommended for situations in which you want to authenticate
wireless users, but do not need to encrypt the data.
This security method is not supported for WDS links.
Note: To use this security method, you must first configure a RADIUS server.
See Using RADIUS Authentication. on page
553
WPA-Enterprise:
RADIUS
authentication,
encryption
The WPA-Enterprise (Wi-Fi Protected Access) security method uses MIC
(message integrity check) to ensure the integrity of messages, and TKIP
(Temporal Key Integrity Protocol) to enhance data encryption.
Furthermore, WPA-Enterprise includes 802.1x and EAP authentication,
based on a central RADIUS authentication server. This method is
recommended for situations where you want to authenticate wireless stations
using a RADIUS server, and to encrypt the transmitted data.
Note: To use this security method, you must first configure a RADIUS server
which supports 802.1x. See Using RADIUS Authentication. on page
553
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