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Configuring the Junos OS to Display a System Login Message

By default, no login message is displayed on the router or switch. To configure a system login message, include the message statement at the [edit system login] hierarchy level:

[edit system login]message text;

If the message text contains any spaces, enclose it in quotation marks.

You can format the message using the following special characters:

\n—New line
\t—Horizontal tab
\'—Single quotation mark
\"—Double quotation mark
\\—Backslash

The following is a sample login message configuration:

[edit]
system {
    login {
        message "\n\n\n\tUNAUTHORIZED USE OF THIS SYSTEM\n         
                 \tIS STRICTLY PROHIBITED!\n\n\tPlease contact 
                 \'company-noc@company.com\' to gain\naccess 
                 to this equipment if you need authorization.\n\n\n";
        }
    }
}

The preceding login message configuration example produces a login message similar to the following:

server% telnet router1
Trying 1.1.1.1...
Connected to router1.
Escape character is '^]'.



          UNAUTHORIZED USE OF THIS SYSTEM
          IS STRICTLY PROHIBITED!

          Please contact 'company-noc@company.com' to gain
          access to this equipment if you need authorization.



router1 (ttyp0)

login:

A system login message appears before the user logs in. A system login announcement appears after the user logs in.

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Configuring the Junos OS to Display a System Login Message

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Published: 2013-08-15