Cisco Systems OL-24201-01 manual GL-18

Glossary

U

UDP

URL

user and identity store

user authentication option

user attribute configuration

User Datagram Protocol. A communications protocol that offers a limited amount of service when messages are exchanged between computers in a network that uses the Internet Protocol (IP)

Uniform Resource Locator. The unique address for a file that is accessible on the Internet.

A repository of users, user attributes, and user authentication options.

An option to enable or disable TACACS+ password authentication.

An administrative task consisting of configuring an internal user's identity attributes.

V

VPN

VSA

Virtual Private Network. Enables IP traffic to travel securely over a public TCP/IP network by encrypting all traffic from one network to another. A VPN uses "tunneling" to encrypt all information at the IP level.

Vendor Specific Attribute. A proprietary property or characteristic not provided by the standard Remote Authentication Dial-In User Service (RADIUS) attribute set. VSAs are defined by vendors of remote access servers to customize RADIUS for their servers.

W

WCS	Cisco Wireless Control System us a platform designed to help enterprises design, control and monitor
	Cisco wireless LANs. WCS is the industry leading platform for wireless LAN planning, configuration,
	and management.

Web server

Web service

A Web server is a program that, using the client/server model and the World Wide Web's Hypertext Transfer Protocol (HTTP), serves the files that form Web pages to Web users (whose computers contain HTTP clients that forward their requests).

AWeb service is a software system designed to support interoperable machine-to-machine interaction over a network. The web server interface is described in a machine-processable format, WSDL. Other systems interact with the Web service, typically using HTTP with an XML serialization in conjunction with other Web-related standards.

WSDL (Web	WSDL is an XML-based language used to describe the services a business offers and to provide a way
Services Description	for individuals and other businesses to access those services electronically.
Language)

	User Guide for Cisco Secure Access Control System 5.3
GL-18	OL-24201-01