User's Manual

NAD Network Access Device. The device that automatically connects the user to the preferred network; for
example, an AP or an Ethernet switch.
NAK Negative AcKnowledgement code. Response indicating that a transmitted message was received with
errors or corrupted, or that the receiving end is not ready to accept transmissions.
NAP Network Access Protection. Platform on the Windows Server that allows network administrators to define
specific levels of network access based on identity, groups, and policy compliance. The NAP Agent is a service
that collects and manages health information for NAP client computers.
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.
nMAP Network Mapper. Open source utility for network discovery and security auditing. Nmap uses IP
packets to determine such things as the hosts available on a network and their services, operating systems and
versions, types of packet filters/firewalls, and so on.
NTP Network Time Protocol. Protocol for synchronizing the clocks of computers over a network.
OCSP Online certificate status protocol (RFC 2560). Protocol used to determine the current status of a digital
certificate without requiring CRLs.
Onboard W-ClearPass application for automating 802.1X configuration and provisioning for “bring your own
device” (BYOD) and IT-managed devices across wired, wireless, and virtual private networks (VPNs).
Information Onboard collects during device onboarding is sent to Profile and used for device category, family,
and name classification. W-ClearPass Onboard features are part of the Onboard module in the W-ClearPass
Guest application.
onboarding Process of preparing a device for use on an enterprise network, by creating the appropriate access
credentials and setting up the network connection parameters. Same as 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.
OnGuard Functionality within ClearPass that uses persistent and dissolvable agents to perform endpoint
protection, posture assessments, and health checks, ensuring compliance is met before devices connect. See
also dissolvable agent and persistent agent.
operator Person who uses W-ClearPass Guest to create guest accounts or perform system administration.
Operators act as sponsors for visitor access.
operator login Configuration defining a W-ClearPass Guest operator's roles and access privileges.
operator profile Characteristics assigned to a class of operators, such as the permissions granted to those
operators.
OS X Operating system from Apple, Inc. for desktop and laptop computers.
OUI Organizationally Unique Identifier. Synonymous with Company ID or Vendor ID, an OUI is a 24-bit,
globally-unique assigned number referenced by various standards. The OUI is used as the first half of a MAC
address.
over-the-air provisioning Process used to securely provision a device and configure it with network settings;
applies to iOS and OS X 10.7+ only.
PANW Palo Alto Networks. Network security company whose products include a firewall with which ClearPass
integrates, exchanging user context related to posture assessments.
PAP Password Authentication Protocol. Validates users by password, PAP does not encrypt passwords for
transmission and is thus considered insecure.
Dell Networking W-ClearPass Guest 6.4 | User Guide Glossary | 539