Re: Protecting Images
This WebDNA talk-list message is from 2003
It keeps the original formatting.
numero = 50865
interpreted = N
texte = Actually, the current Mozilla based browsers will let you see the code AFTER all of that client-side HTML re-writing happens, in order to help you better debug problems in your HTML/javascript code...so while this will work for most IE surfers, those that would want to defeat a protection done in this manner have a bunch of tools at their disposal to make it dirt simple with no effort.At 12:18 PM 6/3/2003, you wrote: >how about displaying the images using a javascript include that writes() the >image html tags into the HTML after the HTML is rendered - that way it >doesn't turn up in the source... or at least i don't think so. > >something like body.onload. hidden div tag.inner.html = img tag code. > >then you could get sneaky and write some hashing algorythim in JavaScript >that messes up the names of the directories and image names so the hackers >don't know what they originally looked like. > >good luck thou cause i have no friggin idea how any of this works :-) > > >----- Original Message ----- >From: Clint Davis
>To: WebDNA Talk >Sent: Tuesday, June 03, 2003 11:58 AM >Subject: Protecting Images > > > > I'm running a contest on one of my sites where visitors much search >through > > the site and find numbered icons hidden on various pages. All the icons >are > > named something cryptic like AX71BX90G.gif, but a trustworthy soul has >told > > me that he was able to use some application to download the entire codes > > directory where the icons are stored. > > > > I tried setting up a realm using WebSTAR 4.5, but each time a page > > containing one of the icons was accessed, WebSTAR threw up an >authentication > > dialog box! :( > > > > Can WebDNA solve this problem? > > > > WebDNA 4.5.1 | OS9 > > > > --------------------------------------------------------------------- > > Clint Davis > > Webmaster / Interactive Media Specialist > > Gray Loon Marketing Group, Inc. http://www.grayloon.com > > 204 Main Street | Evansville, IN 47708 | Phone:812-422-9999 > > --------------------------------------------------------------------- > > > > > > ------------------------------------------------------------- > > This message is sent to you because you are subscribed to > > the mailing list . > > To unsubscribe, E-mail to: > > To switch to the DIGEST mode, E-mail to > > > Web Archive of this list is at: http://webdna.smithmicro.com/ > > > > > >------------------------------------------------------------- >This message is sent to you because you are subscribed to > the mailing list . >To unsubscribe, E-mail to: >To switch to the DIGEST mode, E-mail to > >Web Archive of this list is at: http://webdna.smithmicro.com/Howard Wolosky ------------------------ howard@wolosky.com------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Associated Messages, from the most recent to the oldest:
Actually, the current Mozilla based browsers will let you see the code AFTER all of that client-side HTML re-writing happens, in order to help you better debug problems in your HTML/javascript code...so while this will work for most IE surfers, those that would want to defeat a protection done in this manner have a bunch of tools at their disposal to make it dirt simple with no effort.At 12:18 PM 6/3/2003, you wrote: >how about displaying the images using a javascript include that writes() the >image html tags into the HTML after the HTML is rendered - that way it >doesn't turn up in the source... or at least i don't think so. > >something like body.onload. hidden div tag.inner.html = img tag code. > >then you could get sneaky and write some hashing algorythim in JavaScript >that messes up the names of the directories and image names so the hackers >don't know what they originally looked like. > >good luck thou cause i have no friggin idea how any of this works :-) > > >----- Original Message ----- >From: Clint Davis >To: WebDNA Talk >Sent: Tuesday, June 03, 2003 11:58 AM >Subject: Protecting Images > > > > I'm running a contest on one of my sites where visitors much search >through > > the site and find numbered icons hidden on various pages. All the icons >are > > named something cryptic like AX71BX90G.gif, but a trustworthy soul has >told > > me that he was able to use some application to download the entire codes > > directory where the icons are stored. > > > > I tried setting up a realm using WebSTAR 4.5, but each time a page > > containing one of the icons was accessed, WebSTAR threw up an >authentication > > dialog box! :( > > > > Can WebDNA solve this problem? > > > > WebDNA 4.5.1 | OS9 > > > > --------------------------------------------------------------------- > > Clint Davis > > Webmaster / Interactive Media Specialist > > Gray Loon Marketing Group, Inc. http://www.grayloon.com > > 204 Main Street | Evansville, IN 47708 | Phone:812-422-9999 > > --------------------------------------------------------------------- > > > > > > ------------------------------------------------------------- > > This message is sent to you because you are subscribed to > > the mailing list . > > To unsubscribe, E-mail to: > > To switch to the DIGEST mode, E-mail to > > > Web Archive of this list is at: http://webdna.smithmicro.com/ > > > > > >------------------------------------------------------------- >This message is sent to you because you are subscribed to > the mailing list . >To unsubscribe, E-mail to: >To switch to the DIGEST mode, E-mail to > >Web Archive of this list is at: http://webdna.smithmicro.com/Howard Wolosky ------------------------ howard@wolosky.com------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Howard Wolosky
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