MS Excel will allow you to copy and paste a table into it and it will magically convert it, so it will take more than a hidden div with funky characters to stop them from scraping it. If the data is in table format, unless you some how managed to randomize the columns and keep the formatting straight I don't see how you could stop them.
-Randy Alan Rother wrote: > I think as an intellectual challenge it would be fun to try to thwart > the screen scraper, but how much does the upgrade cost? > > I don't really personally care or want to know what you charge for the > upgrade, but think of it in terms of, "We charge $xx.xx for the > upgrade, the fix is going to take me x hours to do and they might find > a way around it once I'm done. Is it worth my time to make this > change" > > > If you still want to do it, I would recommend adding a hidden div with > a big ole chunk of random chars in it. It won't show up to the user, > but the scraper will choke on it. > > =] > > On 7/18/07, Robertson-Ravo, Neil (RX) > <[EMAIL PROTECTED]> wrote: > >> You charge people to export content from a web app?!? >> >> It would seem these users are wise enough to realise that no matter what >> approach you take, they will get the content from the page. >> >> Print Screen, CTRL-V etc etc etc. >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> "This e-mail is from Reed Exhibitions (Gateway House, 28 The Quadrant, >> Richmond, Surrey, TW9 1DN, United Kingdom), a division of Reed Business, >> Registered in England, Number 678540. It contains information which is >> confidential and may also be privileged. It is for the exclusive use of the >> intended recipient(s). If you are not the intended recipient(s) please note >> that any form of distribution, copying or use of this communication or the >> information in it is strictly prohibited and may be unlawful. If you have >> received this communication in error please return it to the sender or call >> our switchboard on +44 (0) 20 89107910. The opinions expressed within this >> communication are not necessarily those expressed by Reed Exhibitions." >> Visit our website at http://www.reedexpo.com >> >> -----Original Message----- >> From: Jason Liebgott >> To: CF-Talk >> Sent: Wed Jul 18 17:59:23 2007 >> Subject: Stopping a Screen Scrape >> >> Just started working on a legacy application built in CF5. It appears that >> one of the users is screen scraping printer friendly HTML output and moving >> the data into quick books in order to avoid paying for the export upgrade. >> >> Ideas I've had to muck up the data to stop the scraper: >> 1. random white chars that wouldn't be visible to the user in Printer >> Friendly, but would alter the values enough to make it a pain in quick >> books. Might have issues w/ printing. >> 2. random # of empty <TD> cells >> 3. convert text to .gif >> >> Has anybody dealt w/ this issue? What did you do? >> >> Thanks, >> Jason >> >> >> >> >> >> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Create robust enterprise, web RIAs. Upgrade & integrate Adobe Coldfusion MX7 with Flex 2 http://www.adobe.com/products/coldfusion/flex2/?sdid=RVJP Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:284044 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
