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Using PEAP-GTC Security
I mporta nt Note ! To use PEAP (EAP-GTC) security, the server must have WPA-PEAP
certificates, and the Certificate Authority (CA) server properties must already be set
up. Please check with your IT administrator.
To use PEAP security, access the Security tab in the Profile Management
window.
1. In the ACU, edit the security settings by clicking New or Modify on the
Profile Management tab.
2. Choose a profile to edit, or name the new profile in the Profile
Management window. Enter the SSID of the access point the client computer
connects to.
3. On the Security tab, choose the WPA radio button.
OR: On the Security tab, choose the 802.1x radio button.
4. Choose PEAP (EAP-GTC) or PEAP (EAP-MSCHAP V2) from the
drop-down menu.
z PEAP (EAP-GTC) authentication is designed to support one-time Password (OTP), Windows
2000 domain, and L DAP user databases over a wireless LAN. It is based on EAP-TLS
authentication but uses a password instead of a client certificate for authentication. PEAP
(EAPGTC) uses a dynamic session-based WEP key derived from the USB device and RADIUS
server to encrypt data.
Networks that use an OTP user database require entering a hardware or software token
password to start the PEAP (EAP-GTC) authentication process and to gain access to the
network. Networks that use a Windows 2000 domain user database or an L DAP user database
(such as NDS) require entering a username, password, and domain name in order to start the
PEAP (EAP-GTC) authentication process.
z The PEAP (EAP-MSCHAP V2) authentication type is based on EAPTLS authentication, but uses
password instead of a client certificate for authentication. PEAP (EAP-MSCHAP V2) uses a
dynamic session-based WEP key, which is derived from the USB device and RADIUS server, to
encrypt data.
To use PEAP-GTC security In the Atheros Client Utility, access the Security tab in the
Profile Management window.
1. On the Security tab, choose the WPA radio button.
2. OR: On the Security tab, choose the 802.1x radio button.
3. Choose PEAP (EAP-GTC) from the drop-down menu.
4. Click the Configure button.
5. Select the app ropriate network certificate authority from the drop-down list.
6. Spe cify a u ser name for inner PEAP tunnel authentication:
– Check Use Windows User Name to u se the Windows user name as the PEAP
user name.
– OR: Enter a PEAP user name in the User Name field to use a separate user
name and start the PEAP authentication process.
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