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Details

ENWLSD 300-425 CH15
Security for Wireless Client Connectivity
16
Computer Science
Undergraduate 3
01/12/2022

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Cards

Term
Acceptable Use Policy (AUP)
Definition
An agreement that a guest or BYOD user must accept before gaining access to a network.
Term
authentication server (AS)
Definition
This looks up the identity of the authentication request (either from a local store or from a distributed identity store) and authenticates them for access to the network. It can also provide policy for how new clients should be handled. It is sometimes referred to as a Network Authentication Server (NAS).
Term
authenticator
Definition
A network device that communicates with the supplicant to receive the username and password from the client.
Term
Bring Your Own Device (BYOD)
Definition
A common modality used in wireless networks where the users bring their own mobile devices and gain access to the network through an onboarding process.
Term
central web authentication (CWA)
Definition
A method of redirecting BYOD and guest users where the redirection URL and the pre-WebAuth ACL are centrally configured on ISE and communicated to the controller via RADIUS.
Term
EAP (Extensible Authentication Protocol)
Definition
EAP is an authentication framework used extensively in wireless networks for the handling of access credentials between a client device and an authentication server.
Term
EAP-FAST (Flexible Authentication via Secure Tunnels)
Definition
Similar to PEAP, a tunneled EAP method. Uses Protected Access Credentials (PACs) on the client to help improve fast roaming in wireless environments.
Term
EAP-TLS (Transport Layer Security)
Definition
An EAP inner-method that utilizes X.509 certificates on both the client and authentication server.
Term
identity store
Definition
The place where the client credentials are stored. This is typically kept in an LDAP server.
Term
IEEE 802.1X
Definition
A standard for port-based network access control (NAC). This provides a method for authentication of devices connecting to a network.
Term
Lightweight Directory Access Protocol (LDAP)
Definition
Lightweight Directory Access Protocol (LDAP) An open, standards-based protocol used by the authentication server to access device and user identity stores. Microsoft Active Directory (AD) is an example of a popular server of this used by many companies.
Term
local web authentication (LWA)
Definition
A method of redirecting BYOD or guest users to a portal directly from the wireless controller.
Term
Protected EAP (PEAP)
Definition
a tunneled EAP method that protects inner EAP methods, such as MSCHAPv5 or EAP-GTC.
Term
Remote Authentication Dial-In User Service (RADIUS)
Definition
A UDP-based networking protocol that provides centralized authentication, authorization, and accounting (AAA) management for users connecting to a network service.
Term
supplicant
Definition
The supplicant is a piece of software running on the client device that provides the username and password to the authenticator over EAP.
Term
Wi-Fi Protected Access (WPA)
Definition
security compatibility standards used by the Wi-Fi Alliance, which leverage EAP. This standard was developed in response to vulnerabilities discovered in WEP.
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