Disallow pdf downloading

Claudio Nastasi Junior 9 9 bronze badges. Mark Redman Mark Redman 23k 19 19 gold badges 88 88 silver badges bronze badges. I believe Chrome has currently removed support for all plugins but Flash and applied a whitelist for which sites are allowed to run Flash I can download this file - it give download and also print options like normal pdf — obaid. Jonathan Thurft Jonathan Thurft 3, 7 7 gold badges 43 43 silver badges 73 73 bronze badges.

If you encrypt the PDF you can control how printable and changeable it is. You haven't mentioned what you're using to build the PDFs so the details are up to you. You might be able to do the same thing with layers Optional Content Groups as well, not sure. Mark Storer Mark Storer These permissions are ignored by browser-based PDF viewers. Always happy to point out the obvious :.

Captian Obvious Captian Obvious 21 1 1 bronze badge. For anyone else like-minded who wanders in off Google, the reason no such solution exists is because, if you have the knowledge to implement it, you also have the knowledge to see less obvious reasons it'll never work.

It all traces back to the fundamental problem that, at the theoretical level, crypto is about preventing C from intercepting communication from A to B and it devolves to "security by obscurity" if B and C are the same person and it's well-known that "security by obscurity" is just giving yourself a false sense of security.

In my opinion the other proposed solution is. Shahroze Nawaz Shahroze Nawaz 5 5 silver badges 9 9 bronze badges.

Convert pdf to image. Use image tag to display the image. Disable right click on the image. Foiled again, Batman. Very little information given, e. Regardless, this method is not a guaranteed solution for preventing download of a PDF. ThiagoSilva It's even simpler than that. Firefox is designed around the recognition that it's running on the end-user's computer, not the website developer's.

You're only allowed to override right-click because there are legitimate uses for it like implementing custom context menus The Overflow Blog.

Podcast what if you could invest in your favorite developer? Andrew Hancock - VMware vExpert. See if this solution works for you by signing up for a 7 day free trial. What do I get with a subscription? With your subscription - you'll gain access to our exclusive IT community of thousands of IT pros. We can't always guarantee that the perfect solution to your specific problem will be waiting for you.

If you ask your own question - our Certified Experts will team up with you to help you get the answers you need. Using robots. It only prevents crawling. See Pacerier 's answer for correct solution. ChiTec ChiTec 11 1 1 bronze badge. James M James M 3 3 bronze badges. Old account Old account 3 3 silver badges 18 18 bronze badges. I did read recently about using a noindex directive rather than disallow inside the robots. And now I can't find where I read it. Sign up or log in Sign up using Google.

Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast what if you could invest in your favorite developer? To change the name of a PDF file you want to download, right-click the download link and select Save As. However, downloading a PDF is still possible. General Newsletters Got a news tip? Free: Join the VentureBeat Community for access to 3 premium posts and unlimited videos per month.

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