Juniper Networks J-Series manual Accessing Remote Devices with the CLI, Using the telnet Command

J-series™ Services Router Administration Guide

In a Common Criteria environment, you must disable the console port. For more information, see the Secure Configuration Guide for Common Criteria and

JUNOS-FIPS.

To secure the console port:

1.Navigate to the top of the configuration hierarchy in either the J-Web or CLI configuration editor.

2.Perform the configuration tasks described in Table 18 on page 24.

3.If you are finished configuring the network, commit the configuration.

Table 18: Securing the Console Port

Task

Navigate to the Console level in the configuration hierarchy.

J-Web Configuration Editor		CLI Configuration Editor
1.	In the J-Web interface, select Configuration>View	From the [edit] hierarchy level, enter
	and Edit>Edit Configuration.
2.	Next to System, click Configure or Edit.	edit system ports console
3.	Next to Ports, click Configure or Edit.
4.	Next to Console, click Configure or Edit.

Secure the console 1. Select one of the following check boxes: port.

■Disable—Console port is disabled.

■Insecure—Root login connections to the console are disabled.

■Log out on disconnect—Logs out the console session when the serial cable connected to the console port is unplugged.

2.Click OK.

Do one of the following:

■To disable the console port, enter set disable

■To disable root login connections to the console, enter

set insecure

■To log out the console session when the serial cable connected to the console port is unplugged, enter

set log-out-on-disconnect

Accessing Remote Devices with the CLI

This section contains the following topics:

■Using the telnet Command on page 24

■Using the ssh Command on page 25

Using the telnet Command

You can use the CLI telnet command to open a Telnet session to a remote device:

user@host> telnet host <8bit> <bypass-routing> <inet> <interface interface-name><no-resolve> <port port> <routing-instance routing-instance-name> <source address>

24■ Accessing Remote Devices with the CLI