Understanding Management Access
Telnet allows you to connect to the services gateway and access the CLI to execute
commands from a remote system. The Telnet CLI connections are not encrypted and
therefore can be intercepted.
NOTE: Telnet access to the root user is prohibited. You must use more secure
methods, such as SSH, to log in as root.
SSH provides the following features:
•
Allows you to connect to the device and access the CLI to execute commands from a
remote system
•
Encrypts traffic so that it cannot be intercepted (unlike Telnet)
•
Can be configured so that connections are authenticated by a digital certificate
•
Uses public–private key technology for both connection and authentication
The SSH client software must be installed on the machine where the client application
runs. If the SSH private key is encrypted (for greater security), the SSH client must be
able to access the passphrase used to decrypt the key.
For information about obtaining SSH software, see http://www.ssh.com and
http://www.openssh.com .
If you are using a Junos XML protocol server to configure and monitor devices, you can
activate cleartext access on the device to allow unencrypted text to be sent directly over
a Transmission Control Protocol (TCP) connection without using any additional protocol
(such as SSH, Secure Sockets Layer [SSL], or Telnet). For more information about the
Junos XML management protocol, see the NETCONF XML Management Protocol Guide.
If the device is operating in a Common Criteria environment, see the Secure Configuration
Guide for Common Criteria and Junos-FIPS.
Related
Documentation
Connecting to the SRX220 Services Gateway Setup Wizard on page 101•
• Connecting an SRX220 Services Gateway to the CLI Locally on page 102
• Connecting an SRX220 Services Gateway to the CLI Remotely on page 105
• Performing Initial Software Configuration on the SRX220 Services Gateway Using the
CLI on page 113
• Performing Initial Software Configuration on the SRX220 Services Gateway Using the
Setup Wizard
• SRX220 Services Gateway Secure Web Access Overview on page 121
Copyright © 2012, Juniper Networks, Inc.112
SRX220 Services Gateway Hardware
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