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Not allow download image by software in ASP Classic page

Posted on 2006-10-19
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Last Modified: 2010-04-11
Hi Expert,

I have one site show special image (www.thoitrang.com), I want prevent someone use software as Teleport to download my image on site.

I have tried with solution :
<img src="showimage.asp?id=12345">   --> sample

and I tried download by Teleport or Firefox and I can still download image on that

Please help me.

Thanks

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Question by:andreni78
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5 Comments
 
LVL 11

Expert Comment

by:lbertacco
ID: 17772211
As long you want the images to be visible in a web browser, they will be downloadable.
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LVL 9

Expert Comment

by:FixingStuff
ID: 17779007
There is client side scripting that will protect web page images from being saved. I don't know what it is at the moment, but I will research and find it upon request.
FS-
0
 
LVL 9

Expert Comment

by:FixingStuff
ID: 17779021
Here is one example of image protection script:
http://www.htmlguardian.org/help_main.html
FS-
0
 
LVL 38

Accepted Solution

by:
Rich Rumble earned 500 total points
ID: 17782612
Still, the image is downloaded to cache in the browser, and is fully able to be extracted, or a screen shot taken... if you don't want the image to be copyable, don't serve it via the browser. There is no way, absolutely no way you can serve and image, and hope that it won't be saved/downloaded. You should probably consider an alternate solution to the real problem. Perhaps copyrighting your image or placing "watermark" data in it.
http://graphicssoft.about.com/cs/photoshop/ht/apswatermark.htm
HTTrack is even better for offline storage http://www.httrack.com/
Software like this also fails if your determined enough, or have the right tool http://www.share2s.com/protect.html but against the casual person it may do the job...
-rich
0
 
LVL 9

Expert Comment

by:FixingStuff
ID: 17784352
rich is right. If you server the image to a web browser and the user is knowledgeable and determined, there is not way to protect it. The client side scripts are simply a deterrant to the casual user.
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