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Adobe ACROBAT X STANDARD Manual

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USING ACROBAT X STANDARD
Security
Last updated 10/11/2011
2 From the Categories on the left, select Trust Manager.
3 In the PDF Attachments panel, click Restore. The Restore button is available only if you changed the attachment
defaults.
Allow attachments to start applications
The Trust Manager lets you control whether non-PDF attachments can start their associated applications.
1 In the Preferences dialog box, select Trust Manager from the Categories on the left.
2 Select the option Allow Opening Of Non-PDF File Attachments With External Applications. You must have the
external applications to open the files.
Cross-domain access
Enhanced security prevents a PDF in one host domain from communicating with another domain. This action
prevents a PDF from getting malicious data from an untrusted source. When a PDF attempts cross-domain access,
Acrobat and Reader automatically attempt to load a policy file from that domain. If the domain of the document that
is attempting to access the data is included in the policy file, then the data is automatically accessible.
For more details, see the Application Security Guide at www.adobe.com/go/learn_acr_appsecurity_en.
JavaScript
Acrobat and Reader let you adjust application behavior so that JavaScript executes within your desired level of security.
This helps restrict application access to JavaScript APIs and isolates workflows that do not require JavaScript APIs.
1 Choose Edit > Preferences (Windows) or Acrobat/Adobe Reader > Preferences (Mac OS).
2 From the Categories on the left, select JavaScript.
3 In the JavaScript Security panel, set options to manage JavaScript: as needed.
Enable Acrobat JavaScript Uncheck to disable JavaScript completely or restrict JavaScript through APIs.
Enable Menu Items JavaScript Execution Privileges Enables executing JavaScript by clicking menu items. When
off, privileged JavaScript calls can be executed through the menu. Executing non-privileged JavaScript calls through
menu items is not blocked whether this box is checked or not.
Enable Global Object Security Policy Allows JavaScript globally through APIs, or trusts specific documents
containing JavaScripts.
Alternatively, you can modify your system registry settings to manage JavaScript execution.
For details, see the Application Security Guide at www.adobe.com/go/learn_acr_appsecurity_en.
Security warnings
You sometimes see a warning when you open a PDF. The warning comes in many forms (three are shown below).
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