Banner

An administrator can manage a custom banner on the system from the CLI to display before login. The banner needs to be configured on a per node basis, in other words on each node in a cluster.

Banners are maintained on system update.

Banner text:

• Must be ASCII text in a UTF-8 file

• Can be up to 1600 characters. This includes spaces, tabs and other non-printing characters.

• Displays before login (SSH, SFTP, SCP)

An error message will display if the banner text is longer than the required length.

The following is an example:

$ ssh username@host

 ########################################################################
 # WARNING: Unauthorized access to this system is forbidden and will be #
 # prosecuted by law. By accessing this system, you agree that your     #
 # actions may be monitored if unauthorized usage is suspected.         #
 ########################################################################

 username@host's password:

The banner can be created in a file, uploaded to the system and then enabled.

1. Create the banner in a file, for example banner.

2. Upload the banner file, for example:

   scp banner username@host:media/
   

3. When logged in on the system, remove any previous banner and add the uploaded banner:

   system banner remove
   system banner add media/banner
   

4. The banner will then be shown as in the example above.

• To show the current banner, use: system banner read If no banner is available, a message will show.

• To remove the current banner, use: system banner remove