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GL-4
Configuration Guide for Cisco Secure ACS 4.2
OL-14390-02
PEAP
Protected Extensible Authentication Protocol-An 802.1x authentication type for wireless LANs
(WLANs). PEAP provides strong security, user database extensibility, and support for one-time token
authentication and password change or aging. PEAP is based on an Internet Draft that Cisco Systems,
Microsoft, and RSA Security submitted to the IETF.
Posture credentials
State information of a network endpoint at a given point in time that represents hardware and software
(OS and application) information.
Posture plug-in
A third-party DLL that provides host posture credentials to a posture agent on the same endpoint for
endpoint posture validation and network authorization.
PV
Posture Validation-Posture validation validates the collection of attributes that describe the general
state and health of the user’s machine (the “host”).
PVS
Posture Validation Server-A posture-validation server acts as an application-specific policy-decision
point in NAC for authorizing a set of posture credentials against a set of policy rules.
R
RAC
RADIUS Attribute Component.
RADIUS
A widely deployed protocol enabling centralized authentication, authorization, and accounting for
network access.
S
SoH
Statement of Health. A message that a NAP client sends to an NPS indicating the health of the client.
V
VSA
Vendor Specific Attribute-Most vendors use the VSA to support value-added features.