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CLI-based Configuration Guide - Security

AR500, AR510, and AR530 V200R007

This document describes the configurations of Security, including AAA, DAA,NAC, BRAS Access, ACL, Firewall, Deep Security Defense, Local Attack Defense;Attack Defense, Traffic Suppression, ARP Security, Port Security, DHCP Snooping, IPSG, URPF, PKI, SSL, HTTPS, Keychain, separating the management plane from the service plane, security risks.
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Domain-based User Management

Domain-based User Management

A domain is a group of users.

A NAS manages users based on domains. Each access user belongs to a domain that is determined by the user name provided for login, as shown in Figure 1-17.

Figure 1-17  Using the user name to determine the domain

The device has two default domains: default (global default domain for common access users) and default_admin (global default domain for the administrator). The two domains can be modified but cannot be deleted. If the domain of an access user cannot be obtained, the default domain is used.
  • The default domain is used for access users such as NAC access users. By default, local authentication is performed for users in this domain.
  • The default_admin domain is used for administrators such as the administrators who log in using HTTP, SSH, Telnet, FTP, and terminals. By default, local authentication is performed for users in this domain.

A user-defined domain can be configured as a global default domain for common access users and administrators.

The preconfigured authentication, authorization, and accounting scheme is used in the corresponding domain view to implement authentication, authorization, and accounting for users. AAA provides the default scheme including local authentication, local authorization, and local accounting. If no authentication, authorization, and accounting scheme is used in the domain of a user, the default scheme is used.

Authorization information delivered by an AAA server is used preferentially because authorization information configured in a domain has a lower priority. When the AAA server does not have or does not support authorization, the authorization attributes configured in a domain take effect. In this manner, you can increase services flexibly by means of domain management, regardless of the authorization attributes provided by the AAA server.

Updated: 2019-05-25

Document ID: EDOC1000097287

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