From Adobe Acrobat Professional DC Classic Security Technical Implementation Guide
Part of SRG-APP-000431
Associated with: CCI-002530
Protected View is a "super-sandbox" that is essentially a read-only mode. When enabled, Acrobat strictly confines the execution environment of untrusted PDF's and the processes the PDF may invoke. Acrobat also assumes all PDFs are potentially malicious and confines processing to a restricted sandbox. When the PDF is opened, the user is presented with the option to trust the document. When the user chooses to trust the document, all features are enabled, this action assigns trust to the document and adds the document to the user's list of Privileged Locations.
Verify the following registry configuration: Using the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Adobe Acrobat\2015\FeatureLockDown Value Name: iProtectedView Type: REG_DWORD Value: 2 If the value for iProtectedView is not set to "2" and Type is not configured to REG_DWORD or does not exist, this is a finding. GUI path: Edit > Preferences > Security (Enhanced) > In the 'Protected View' section, verify the radio button for 'All files' is checked and greyed out (locked). If the button is not checked nor greyed out, this is a finding. Admin Template path: Computer Configuration > Administrative Template > Adobe Acrobat Pro DC Classic > Preferences > Security (Enhanced) > 'Protected View' must be set to 'Enabled' and 'All files' selected in the drop down box. This policy setting requires the installation of the AcrobatProDCClassic custom templates included with the STIG package. "AcrobatProDCClassic.admx" and "AcrobatProDCClassic.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.
Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Adobe Acrobat\2015\FeatureLockDown Value Name: iProtectedView Type: REG_DWORD Value: 2 Configure the policy value for Computer Configuration > Administrative Template > Adobe Acrobat Pro DC Classic > Preferences > Security (Enhanced) > 'Protected View' to 'Enabled' and select 'All files' in the drop down box. This policy setting requires the installation of the AcrobatProDCClassic custom templates included with the STIG package. "AcrobatProDCClassic.admx" and "AcrobatProDCClassic.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.
Lavender hyperlinks in small type off to the right (of CSS
class id, if you view the page source) point to
globally unique URIs for each document and item. Copy the
link location and paste anywhere you need to talk
unambiguously about these things.
You can obtain data about documents and items in other
formats. Simply provide an HTTP header Accept:
text/turtle or
Accept: application/rdf+xml.
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