Intermec CN3 User Manual Page 198

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Chapter 5 — Network Support
184 CN3 Mobile Computer User’s Manual
LEAP (Lightweight
Extensible
Authentication
Protocol)
Also known as Cisco-Wireless EAP, provides username/password based authentication
between a wireless client and a RADIUS server. In the 802.1x framework, traffic cannot
pass through a wireless network access point until it successfully authenticates itself.
EAP-PEAP (Protected
Extensible
Authentication
Protocol)
Performs secure authentication against Windows domains and directory services. It is
comparable to EAP-TTLS both in its method of operation and its security, though not as
flexible. This does not support the range of inside-the-tunnel authentication methods
supported by EAP-TTLS. Microsoft and Cisco both support this protocol.
EAP-TLS (Transport
Layer Security)
Based on the TLS (Transport Layer Security) protocol widely used to secure web sites.
This requires both the user and authentication server have certificates for mutual
authentication. While cryptically strong, this requires corporations that deploy this to
maintain a certificate infrastructure for all their users.
EAP-TTLS (Tunneled
Transport Layer
Security)
This protocol provides authentication like EAP-TLS (see page 167) but does not require
certificates for every user. Instead, authentication servers are issued certificates. User
authentication is done using a password or other credentials that are transported in a
securely encrypted “tunnel” established using server certificates.
EAP-TTLS works by creating a secure, encrypted tunnel through which you present your
credentials to the authentication server. Thus, inside EAP-TTLS there is another inner
authentication protocol that you must configure via Additional TTLS Settings.
Authentication (continued)
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