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From "J. Bakshi" <joyd...@infoservices.in>
Subject Re: [users@httpd] how to prevent mp3 downloading ?
Date Thu, 09 Apr 2009 05:28:24 GMT
Bruno - e-comBR wrote:
> You can difficult it to be downloaded in massive way by automated
> scripts to prevent somebody doing massive download if you want.
>
> But, preventing the downloading and allowing it at the same time is
> impossible. You have two options: allow or deny.
>
> Allowing the download only for a certain user-agent don't prevent the
> downloading. There are many softwares which detects the URLs inserted
> in flash files(try to simple download a SWF file and run strings
> filename.swf|grep '://'). Then, the software can also try
> automatically many user-agents to get it... Or do you think you cannot
> save YouTube's movies?? (but, of course, it violates their rights, so
> don't do it)
>
> Back to the topic, you should use a dynamic script which checks for
> some "allowing cookie" to let you download it once. This cookie should
> be generated in a page loaded before the downloading page. The page
> which generates the cookie should ask for typing the content on a image.
>
> So, your download can, IF THE AUTOMATED SCRIPT CAN'T BYPASS THIS, be
> downloaded once a time. Of course, there's a cost: HTTP connection
> errors. On problems, your visitant will need to go back e do the
> boring proccess again...
>
> If you want "less unprotection" you need to pay by it, making your
> site a burocratic sheet.
>
> []'s
>
>
>
> 2009/3/23 Brian Mearns <mearns.b@gmail.com <mailto:mearns.b@gmail.com>>
>
>     On Mon, Mar 23, 2009 at 6:17 AM, Matus UHLAR - fantomas
>     <uhlar@fantomas.sk <mailto:uhlar@fantomas.sk>> wrote:
>     > On 20.03.09 16:46, J. Bakshi wrote:
>     >> I have a .htaccess ( copied from the some tutorials available in
>     >> internet ) to disable site grabbers like wget, curl, httrack
>     etc.......
>     >> and I have tested that these tools are not able to download
>     anything
>     >> from my site.  nice so far. But If I put the mp3 link available
>     at my
>     >> site directly in the browser then browser download the mp3. it
>     is also
>     >> true for images. How can I prevent this ?
>     >
>     > Move them out of DocumentRoot. If the file is availabele via
>     HTTP, it can be
>     > fetched using HTTP, no matter how you call it.
>     > You can only make it harder by checking User-Agent for known
>     strings,
>     > clients may not provide it, nor they have to tell the truth.
>     > You can make them available only for streaming, but that won't
>     stop form
>     > downloading the content too.
>     > --
>     > Matus UHLAR - fantomas, uhlar@fantomas.sk
>     <mailto:uhlar@fantomas.sk> ; http://www.fantomas.sk/
>     > Warning: I wish NOT to receive e-mail advertising to this address.
>     > Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
>     > Save the whales. Collect the whole set.
>
>     The closest thing to what you want to do is to actually embed the
>     audio data in some way in the flash movie itself and have your flash
>     player understand how to parse it and turn it into playback audio.
>     This is probably a significant undertaking and ultimately, the audio
>     data is still going to client so they can, at worst, record the
>     "what-you-hear" stream on their system to an audio file and, at best,
>     figure out how to extract the audio data from the flash movie.
>
>     My best suggestion is the same one I would offer to the record
>     companies and musicians: if you want people to hear it, give it to
>     them unrestricted.
>

Thanks a lot for your suggestion.


>
>     -Brian
>
>     --
>     Feel free to contact me using PGP Encryption:
>     Key Id: 0x3AA70848
>     Available from: http://pgp.mit.edu/
>
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>
> -- 
> Bruno Moreira Guedes <bruno@e-combr.com.br <mailto:bruno@e-combr.com.br>>
> e-comBR - Depto. Infra-Estrutura
> Fone: (049) 3328-4065
> Chapecó-SC


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