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Acrobat Family of Products
Security Feature User Guide
8.5.3 Resetting the Black and White Lists
Because the registry list could grow over time and users do not have direct access to the lists through the
user interface, resetting the list to its original state may result in the highest level of security.
To reset the black and white lists:
1. Choose Edit > Preferences (Windows) or Acrobat > Preferences (Macintosh).
2. Select Trust Manager in the Categories panel.
3. Choose Restore
8.5.4 Allowing Attachments to Launch Applications
The Trust Manager enables users to control whether or not non-PDF attachments can open with other
applications. By default, this option is enabled so that common file types such as .
application's black list) can be easily opened in the appropriate application.
To set attachment preferences:
1. Choose Edit > Preferences (Windows) or Acrobat > Preferences (Macintosh).
2. Select Trust Manager in the Categories panel.
3. Configure Allow opening of non-PDF file attachments with external applications
Checked: Default. The application uses its stored black list to determine whether Acrobat should let
the attachment invoke the launch an application action so the attachment can be opened.
Unchecked: Clicking or opening an attachment will never result in launching it's associated viewing
application. Use this option if a higher level of security is needed.
Figure 85 Launch Attachment dialog
(Figure
86).
Figure 86 Attachment panel in Trust Manager
External Content and Document Security
Resetting the Black and White Lists
(not on the
doc
(Figure
108
86):
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