
504 |Glossary ClearPass Guest 3.9 | Deployment Guide
in the certificate (only the certificate authority can create valid
certificates).
Disconnect-Ack NAS response packet to a Disconnect-Request, indicating that the
session was disconnected.
Disconnect-Nak NAS response packet to a Disconnect-Request, indicating that the
session could not be disconnected.
Disconnect-Request RADIUS packet type sent to a NAS requesting that a user or session be
disconnected.
distinguished name Series of fields in a digital certificate that, taken together, constitute the
unique identity of the person or device that owns the digital certificate.
Common fields in a distinguished name include country, state, locality,
organization, organizational unit, and the “common name”, which is the
primary name used to identify the certificate.
DN See distinguished name.
EAP Extensible Authentication Protocol (RFC 3748). An authentication
framework that supports multiple authentication methods.
EAP-PEAP Protected EAP. A widely-used protocol for securely transporting
authentication data across a network.
EAP-TLS Extensible Authentication Protocol – Transport LayerSecurity (RFC
5216). A certificate-based authentication method supporting mutual
authentication, integrity-protected ciphersuite negotiation and key
exchange between two endpoints.
form Screen that collects data using fields.
field Single item of information about a visitor account.
guest See Visitor.
intermediate CA Certificate authority with a certificate that was issued by another
certificate authority. See trust chain.
iOS Operating system from Apple, Inc. for mobile devices, including the
iPhone, iPad, and iPod Touch.
landing page See Web login.
LDAP Lightweight Directory Access Protocol; communications protocol used
to store and retrieve information about users and other objects in a
directory.
Network Access Server (NAS) Device that provides network access to users, such as a wireless access
point, network switch, or dial-in terminal server. When a user connects
to the NAS device, a RADIUS user authentication request (Access-
Request) is generated by the NAS.
OCSP Online certificate status protocol (RFC 2560). Protocol used to
determine the current status of a digital certificate without requiring
CRLs.
onboarding See device provisioning.
onboard-capable device Device supported by the QuickConnect application.
onboard provisioning Process used to securely provision a device and configure it with
network settings.
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