Juniper Networks J-Series Managing User Authentication and Access, User Authentication Terms

Chapter 1

Managing User Authentication and Access

You can use either J-Web Quick Configuration or a configuration editor to manage system functions, including RADIUS and TACACS+ servers, and user login accounts.

This chapter contains the following topics. For more information about system management, see the JUNOS System Basics Configuration Guide.

If the router is operating in a Common Criteria environment, see the Secure

Configuration Guide for Common Criteria and JUNOS-FIPS.

■User Authentication Terms on page 3

■User Authentication Overview on page 4

■Before You Begin on page 8

■Managing User Authentication with Quick Configuration on page 8

■Managing User Authentication with a Configuration Editor on page 12

■Recovering the Root Password on page 21

■Securing the Console Port on page 23

■Accessing Remote Devices with the CLI on page 24

■Configuring Password Retry Limits for Telnet and SSH Access on page 26

User Authentication Terms

Before performing system management tasks, become familiar with the terms defined in Table 5 on page 3.

Table 5: System Management Terms

Term	Definition
Remote Authentication Dial-In User	Authentication method for validating users who attempt to access one or more
Service (RADIUS)	Services Routers by means of Telnet. RADIUS is a multivendor IETF standard
	whose features are more widely accepted than those of TACACS+ or other
	proprietary systems. All one-time-password system vendors support RADIUS.
Terminal Access Controller Access	Authentication method for validating users who attempt to access one or more
Control System Plus (TACACS+)	Services Routers by means of Telnet.

User Authentication Terms ■ 3