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Can I lock a PDF file to a hard disk?

Printed From: Foxit's Planet PDF Forum
Category: Lets Talk PDF
Forum Name: PDF Security
Forum Description: Discuss security options for PDF including basic protection and DRM.
Printed Date: 19 Sep 2019 at 6:02pm
Software Version: Web Wiz Forums 11.10 -

Topic: Can I lock a PDF file to a hard disk?
Posted By: Rowan
Subject: Can I lock a PDF file to a hard disk?
Date Posted: 01 Jul 2011 at 5:38pm
After my client downloads a PDF to their computer I don't want them to be able to share it with anyone else. Is this possible?

Posted By: try67
Date Posted: 19 Jul 2011 at 8:32am
No. You can't prevent people from copying a file on their computer, or to other computers.

Posted By: BAlheit
Date Posted: 26 Jul 2011 at 12:04pm
With DRM you can control the usage of documents.

Posted By: BAlheit
Date Posted: 26 Sep 2012 at 11:39am
Everyone can copy a password-protected file.

Posted By: QoppaSusan
Date Posted: 26 Sep 2012 at 5:17pm
Do they need the PDF itself on their computer?
Our jPDFViewer would let you present a PDF in a browser display, retaining control of the PDF, so they cannot download it to their computer.   This eliminates their ability to share that file.
If you need to gather information from them onto the PDF, you could use our jPDFNotes.  Again presenting the PDF via browser, accepting their comments/notes, yet retaining control of the PDF.
To read more or check out code samples, visit our website -

Susan Sims
Qoppa Software - - My Email

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