Wireless Configuration
6-7
Figure 6-4 WLAN Policy Security screen
Authentication ensures only known and trusted users or devices access a WLAN. Authentication is enabled
per WLAN to verify the identity of both users and devices. Authentication is a challenge and response
procedure for validating user credentials such as username, password and sometimes secret-key
information.
A client must authenticate to an Access Point to receive resources from the network. 802.1x EAP, 802.1x EAP
PSK, MAC and PSK/None authentication options are supported.
Refer to the following to configure an authentication scheme for a WLAN:
• 802.1x EAP, EAP PSK and EAP MAC
• MAC Authentication
• PSK / None
Secure guest access to the network is referred to as captive portal. A captive portal is guest access policy
for providing guests temporary and restrictive access to the wireless network. The primary means of securing
such guest access is the use of a hotspot. Existing captive portal policies can be applied to a WLAN to
provide secure guest access.
A captive portal policy’s hotspot configuration provides secure authenticated access using a standard Web
browser. Hotspots provides authenticated access by capturing and re-directing a wireless user's Web
browser session to a captive portal login page where the user must enter valid credentials to access to the
network. Once logged into the hotspot, additional Agreement, Welcome and Fail pages provide the
administrator with a number of options on the hotspot’s screen flow and user appearance.
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