User manual

Chapter 2: Basic Operation
Wi-Fi Config: Configure Tab
24 Psion Teklogix Omnii XT10 Hand-Held Computer User Manual
• PEAPv0-MSCHAPv2: Provides secure user authentication by using a TLS tunnel to
encrypt EAP traffic. MSCHAPv2 is used as the inner authentication method. This is
appropriate for use against Windows Active Directory and domains.
• PEAPv1-GTC: PEAP authentication using GTC as the inner method which utilizes
one time passwords (OTPs) for authentication against OTP data bases such as
SecureID.
• LEAP: Is an authentication method for use with Cisco WLAN access points. LEAP
does not require the use of server or client certificates. LEAP supports Windows Active
Directory and domains but requires the use of strong passwords to avoid vulnerability to
off-line dictionary attacks.
• FAST-MSCHAPv2: Is a successor to LEAP and does not require strong passwords to
protect against off-line dictionary attacks. Like LEAP, EAP-FAST does not require the
use of server or client certificates and supports Windows Active Directory and domains.
• Complete the fields in the Configure Profile screen. If you’re uncertain about some of
the options, your system administrator will be able to provide the correct information
for your wireless network.
• Once you’ve completed the necessary fields, tap on OK.
2.8.2.4 Verify Server Certificate
When the Verify Server Certificate box is checked, Omnii will verify the certificate provided
by the authentication server during the authentication process. This requires that an appro-
priate certificate be manually installed on Omnii for the verification.
2.8.2.5 Enable OPMK
When used with compatible wireless infrastructure, Opportunistic Key Caching (OPMK)
reduces the number of full authentications required when roaming. Only available with
WPA2-Enterprise (EAP) authentication mode.