Cisco PIX/ASA Security Appliance: How to Configure Banners
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Banners can be configured to display when a user first connects (MOTD), when a user logs in (login), or when a user accesses privileged mode (exec).Banners are used for legal warnings such as when a user is cautioned not to access a restricted system or that their access of a system is subject to monitoring and logging. Banners are also used on locked systems placed at customer locations by service providers to provide contact information for device access or technical support. The Cisco security appliance supports the use of login banners in console sessions and Telnet sessions, but not in SSH sessions. Exec and MOTD banners are supported in console, Telnet, and SSH sessions. Banners can be up to 510 characters in length. You can create multiple line banners either by creating multiple banner statements or by using the keystroke sequence of "n" which inserts a carriage return.
Here's how banners are displayed:
MOTD Banners--When usernames are not configured, MOTD displays at login in a serial console session and before login in Telnet sessions. When usernames are configured, MOTD displays before login in a Telnet session and after login in a serial console session.
Login Banners--The login banner displays before login in Telnet and serial console sessions.
Exec Banners--The exec banner displays upon login in all sessions.
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