The glossary below contains many of the terms you will find in common use throughout the Symantec Security Response website. Please refer to this list to find definitions of terms and answers to other Internet security-related questions.


The system with the files to back up, archive, or restore.

A requesting program or user in a client/server relationship. For example, the user of a Web browser is effectively making client requests for pages from servers all over the Web. The browser itself is a client in its relationship with the computer that is getting and returning the requested HTML file.

A computer or program that uses shared resources from another computer, called a server. In the context of Symantec Sygate Enterprise Protection or Symantec Network Access Control software, client refers to a Symantec Protection Agent or Symantec Enforcement Agent running on a workstation, desktop computer, or laptop that reports to a Policy Manager. Clients can be organized into groups. See also client group, server, Symantec Protection Agent, Symantec Enforcement Agent, Symantec Policy Manager.

A program that makes requests of or transmits data to a parent server program.

Any computer system that requests a service of another computer system. A workstation requesting the content of a file from a file server is a client of the file server. Clients rely on servers for resources such as files.