How to create a Login window banner in OS X Lion

Learn how to create a Login window banner in OS X Lion.

In OS X Lion, you can display a banner at the Login Window that requires a user to acknowledge before proceeding, such as an Acceptable Use Policy.

 

Use the following steps to create a Login window banner:

  1. Create a document named PolicyBanner that contains your banner.
  2. Copy the PolicyBanner file to the /Library/Security/ folder.

The following file formats are supported:

  • Plain Text File (.txt)
  • Rich Text Format (.rtf)
  • Rich Text Format Directory (.rtfd) 

 Sample banner

 

 

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Note: When using a Plain Text File (.txt) or a Rich Text Format file (.rtf), adjust the permissions so Everyone (Other) has read privileges. For example:

 

sudo chmod o+r /Library/Security/PolicyBanner.txt
sudo chmod o+r /Library/Security/PolicyBanner.rtf


When using a Rich Text Format Directory file (.rtfd), adjust the permissions so Everyone (Other) has read and execute privileges. For example:

sudo chmod -R o+rx /Library/Security/PolicyBanner.rtfd
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