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Old 03-11-2007, 10:01 AM   #1
Gershom
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Default Preventing PDF file save

I am trying to make available for sale via my website various docs that I have created. Method of delivery is intended to be print, ie customer can print the PDF from my website. However, I don't want the customer to be able to actually save the file to his own disk. Some have told me that if the file can be downloaded for viewing in the browser, it can already be saved, even if not by Adobe Reader but still by the browser itself. Still I'm sure I've seen somewhere PDFs that can only be printed but not saved. Anyone know how to do this?
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Old 03-11-2007, 12:38 PM   #2
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Quote:
Anyone know how to do this?
Yes: under Properties/Security give the file a password and choose 'Printing: not allowed'. If you allow printing, saving the file your customers can see on-screen is necessarily allowed. (Of course, you won't get many paying customers that way.)

German laws are displayed in that way: the only way to get copies on paper is to buy them (from Beuth Verlag). Happily, neither UK nor US laws have this restriction.

   
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Old 03-11-2007, 01:20 PM   #3
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As you point out, some people know how to work around this. But putting that aside for a minute, all I can do is suggest places that might have a solution. One is Adobe LiveCycle. Another is SafeLock
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Old 03-12-2007, 01:25 AM   #4
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Quote:
Originally Posted by Michael Rowley View Post
choose 'Printing: not allowed'.
He was asking how to allow print but not save!

The answer to the OP is, 'what you want cannot be done effectively'.

Anything opened in the browser is saved in the cache from where it can be simply accessed by those who know the trick, and there is a save button/menu in most browsers too.

PDF security allows you to specify certain things that are allowed, as Michael hinted: but the list only includes printing, copying/pasting, editing etc. I also found this on the web which I find a bit concerning if true (my emphasis):

"The security settings must be honored by the PDF viewing application in order to secure a document. Adobe Acrobat® as well as certain other applications do..."
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Old 03-12-2007, 01:44 AM   #5
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Default Public Domain Laws

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Originally Posted by Michael Rowley View Post
German laws are displayed in that way: the only way to get copies on paper is to buy them (from Beuth Verlag). Happily, neither UK nor US laws have this restriction.
Laws, Federal, State, and local, are in the public domain. What isn't in the public domain are the "annotated" laws, giving the court cases related to the laws themselves. The court cases are in the public domain, too, but commentary on them can be copyrighted, and usually is. Lots of government material is now available online, and mostly without restrictions on the use.

Perhaps some lawyers will provide exceptions to these general rules, though.
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Old 03-12-2007, 06:42 AM   #6
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Lois:

Quote:
He was asking how to allow print but not save!
I know that. I gave the only possibility offered by Acrobat. There is at least one other program that at least is claimed to do what is wanted (cited by Andrew, I think).

   
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Old 03-12-2007, 06:49 AM   #7
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Dave:

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Laws, Federal, State, and local, are in the public domain.
There are countries with different laws, and even US law probably doesn't insist on publication on the Web; and even if it did, allowing the public to read what is published is not the same as allowing anyone to reprint it.

   
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Old 03-13-2007, 02:28 AM   #8
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You are right: the area of controlled documentation (that is, ensuring you are looking at the latest approved copy) is a specialised one, and not really addressed yet by web publication in any serious way.

(I've come across it a lot in my work for a pharma company, where SOPs, trial submissions to the FDA etc, have to be very carefully controlled. They use a specialised process in Documentum to do that (see marketingspeak summary here, FWIW!)
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Old 03-13-2007, 11:38 PM   #9
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Another is FileOpen

   
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Old 03-19-2007, 08:56 PM   #10
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That's almost surely a quote from Aandi Inston, and if so can be taken as gospel.

   
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