Difference between revisions of "Cisco banners"
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login Displayed '''before''' login Not displayed Displayed '''before''' login | login Displayed '''before''' login Not displayed Displayed '''before''' login | ||
exec Displayed '''after''' login Displayed '''after''' login Displayed '''after''' login | exec Displayed '''after''' login Displayed '''after''' login Displayed '''after''' login | ||
= Banner EXEC variables = | |||
The exec banner is displayed after authentication therefore it is safe to display system specific info thus certain variables can be used. See an example below to display a hostname and a domain name using <tt>$(variable)</tt>. | |||
banner exec ^C You have logged in to '''$(hostname).$(domain)'''. ^C | |||
= Examples = | = Examples = | ||
Revision as of 15:15, 3 January 2015
Banner display options
Banner Telnet SSHv1 SSHv2 motd Displayed before login Displayed after login Displayed after login login Displayed before login Not displayed Displayed before login exec Displayed after login Displayed after login Displayed after login
Banner EXEC variables
The exec banner is displayed after authentication therefore it is safe to display system specific info thus certain variables can be used. See an example below to display a hostname and a domain name using $(variable).
banner exec ^C You have logged in to $(hostname).$(domain). ^C
Examples
YOU HAVE ACCESSED A DEVICE THAT IS A PART OF A
PRIVATE NETWORK INFRASTRUCTURE
*********************************************************
* *
* Unauthorised access or use of this equipment *
* is prohibited and constitutes an offence *
* under the Computer Misuse Act 1990. *
* If you are not authorised to use this system *
* TERMINATE THIS SESSION IMMEDIATELY *
* *
*********************************************************