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CLI-based Configuration Guide - Security

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the network management feature supported by the device.
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Overview of AAA

Overview of AAA

Definition

Authentication, Authorization, and Accounting (AAA) provides a user management mechanism and includes the following functions:

  • Authentication: verifies the identity of users for network access.

  • Authorization: authorizes users to use particular services.

  • Accounting: records the network resources used by users.

Users can use one or more security services provided by AAA. For example, if a company wants to authenticate employees that access certain network resources, the network administrator only needs to configure an authentication server. If the company also wants to record operations performed by employees on the network, an accounting server is needed.

In summary, AAA authorizes users to access specific resources and records user operations. AAA is widely used because it features good scalability and facilitates centralized user information management. AAA can be implemented using multiple protocols, and RADIUS is the most widely used protocol.

Purpose

AAA prevents unauthorized users from logging in to a device and improves system security.

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Updated: 2019-08-07

Document ID: EDOC1100034077

Views: 127677

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