Banners
In a Cisco ASA firewall, a banner is a message that is displayed to users who attempt to access the device. The banner message can be used to display a warning, disclaimer, legal notice, or any other message that the administrator wants users to see before they are granted access to the device.
Description
Enter into global configuration mode
Configure a message of the day banner (general information about the device can be displayed here)
Configure a login banner (displays a message before a user logs in)
Configure a banner for entering into the device manager
Exit from configuration mode
Display all active banners
Display the banner configuration
CLI Commands
configure terminal
banner motd ABC
banner login ABC
banner asdm ABC
end
show banner
show running-config banner
banner ?
LABASA01#
LABASA01# conf t
LABASA01(config)# banner ?
configure mode commands/options:
asdm Display a post login banner (ASDM only)
exec Display a banner whenever an EXEC process in initiated
login Display a banner before the username and password login prompts
motd Display a message-of-the-day banner
LABASA01(config)#
banner login
LABASA01#
LABASA01# configure terminal
LABASA01(config)# banner login HHHHHHHHHHHHHHHH
LABASA01(config)# banner login H LOGIN BANNER H
LABASA01(config)# banner login HHHHHHHHHHHHHHHH
LABASA01(config)# end
LABASA01#
LABASA01# show banner login
HHHHHHHHHHHHHHHH
H LOGIN BANNER H
HHHHHHHHHHHHHHHH
LABASA01#
banner motd
LABASA01# configure terminal
LABASA01(config)# banner motd HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
LABASA01(config)# banner motd H DEVICE NAME: $(hostname).$(domain)
LABASA01(config)# banner motd H DEVICE LOCATION: ABC
LABASA01(config)# banner motd HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
LABASA01(config)# end
LABASA01#
LABASA01# show banner motd
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
H DEVICE NAME: $(hostname).$(domain)
H DEVICE LOCATION: ABC
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
LABASA01#
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