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  3. disable CTRL C

disable CTRL C

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  • E eyeseetee

    As far as I am aware its impossible to completly disable CTRL C or even the right click of a mouse because it can only be done using javsscript or client side code and users are able to manipulate this. Am I right in saying that?

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    benjymous
    wrote on last edited by
    #2

    You could pull off their ctrl keys, and give them Mac 1 button mice

    -- Help me! I'm turning into a grapefruit! Buzzwords!

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    • E eyeseetee

      As far as I am aware its impossible to completly disable CTRL C or even the right click of a mouse because it can only be done using javsscript or client side code and users are able to manipulate this. Am I right in saying that?

      S Offline
      S Offline
      Simon P Stevens
      wrote on last edited by
      #3

      Yup. Even if you wrote your own browser and blocked ctrl+c & right mouse clicks in the browser code itself, a technically minded user could still just watch the http stream[^] and pick out any data they wanted. (Although I suppose you could then encrypt with https). Are you talking about images or text? Images could also be grabbed via screen shots. I suppose even text could be grabbed via screen shots and run through an OCR app if the user was desperate.

      Simon

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      • S Simon P Stevens

        Yup. Even if you wrote your own browser and blocked ctrl+c & right mouse clicks in the browser code itself, a technically minded user could still just watch the http stream[^] and pick out any data they wanted. (Although I suppose you could then encrypt with https). Are you talking about images or text? Images could also be grabbed via screen shots. I suppose even text could be grabbed via screen shots and run through an OCR app if the user was desperate.

        Simon

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        eyeseetee
        wrote on last edited by
        #4

        Yeah mostly text, we are currently disabling some key press but I know that this can still be by passed.

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        • S Simon P Stevens

          Yup. Even if you wrote your own browser and blocked ctrl+c & right mouse clicks in the browser code itself, a technically minded user could still just watch the http stream[^] and pick out any data they wanted. (Although I suppose you could then encrypt with https). Are you talking about images or text? Images could also be grabbed via screen shots. I suppose even text could be grabbed via screen shots and run through an OCR app if the user was desperate.

          Simon

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          leppie
          wrote on last edited by
          #5

          The classic work around for this is to simply hold the shift key while right clicking. Most web designers are not capable of doing bitwise checks :laugh:

          xacc.ide - now with TabsToSpaces support
          IronScheme - 1.0 alpha 4a out now (29 May 2008)

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          • E eyeseetee

            As far as I am aware its impossible to completly disable CTRL C or even the right click of a mouse because it can only be done using javsscript or client side code and users are able to manipulate this. Am I right in saying that?

            E Offline
            E Offline
            eyeseetee
            wrote on last edited by
            #6

            I found this script: at http://javascript.about.com/library/blnoright.htm is there a similer one for disabling short cut keys?

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            • L leppie

              The classic work around for this is to simply hold the shift key while right clicking. Most web designers are not capable of doing bitwise checks :laugh:

              xacc.ide - now with TabsToSpaces support
              IronScheme - 1.0 alpha 4a out now (29 May 2008)

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              Simon P Stevens
              wrote on last edited by
              #7

              leppie wrote:

              Most web designers are not capable of doing bitwise checks [Laugh]

              just like you then http://www.codeproject.com/Lounge.aspx?msg=2628902#xx2628902xx[^] :laugh:

              Simon

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              • L leppie

                The classic work around for this is to simply hold the shift key while right clicking. Most web designers are not capable of doing bitwise checks :laugh:

                xacc.ide - now with TabsToSpaces support
                IronScheme - 1.0 alpha 4a out now (29 May 2008)

                S Offline
                S Offline
                Simon P Stevens
                wrote on last edited by
                #8

                leppie wrote:

                The classic work around for this is to simply hold the shift key while right clicking

                All my complexity, with lifting data from the http stream, or OCRing a screen shot of the text and you come along with "press the shift key". Sometimes simple is defiantly better.

                Simon

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                • E eyeseetee

                  I found this script: at http://javascript.about.com/library/blnoright.htm is there a similer one for disabling short cut keys?

                  S Offline
                  S Offline
                  Simon P Stevens
                  wrote on last edited by
                  #9

                  Umm...you could try <body onkeypress="return false;"> ?

                  Simon

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                  • S Simon P Stevens

                    leppie wrote:

                    The classic work around for this is to simply hold the shift key while right clicking

                    All my complexity, with lifting data from the http stream, or OCRing a screen shot of the text and you come along with "press the shift key". Sometimes simple is defiantly better.

                    Simon

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                    leppie
                    wrote on last edited by
                    #10

                    Actually, IIRC, you need to hold down shift (or alt or a combo) when you click (they checked that too). I am talking about 10 years back now, they probably have found much better workarounds (copy/paste code) by now.

                    xacc.ide - now with TabsToSpaces support
                    IronScheme - 1.0 alpha 4a out now (29 May 2008)

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                    • E eyeseetee

                      I found this script: at http://javascript.about.com/library/blnoright.htm is there a similer one for disabling short cut keys?

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                      toxcct
                      wrote on last edited by
                      #11

                      useless. what i do on website blocking the right click is to get the page source (under IE : View > Source) and track back the images...

                      [VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

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                      • T toxcct

                        useless. what i do on website blocking the right click is to get the page source (under IE : View > Source) and track back the images...

                        [VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

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                        benjymous
                        wrote on last edited by
                        #12

                        Or copy them out of the browser cache

                        -- Help me! I'm turning into a grapefruit! Buzzwords!

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                        • E eyeseetee

                          As far as I am aware its impossible to completly disable CTRL C or even the right click of a mouse because it can only be done using javsscript or client side code and users are able to manipulate this. Am I right in saying that?

                          S Offline
                          S Offline
                          Shog9 0
                          wrote on last edited by
                          #13

                          It's also extremely annoying. :| There are all sorts of potentially-useful things that come disabled by default in proper browsers these days, precisely because short-sited folk mis-used them to try to impose their will on the hapless user. Abuse it, and lose it. If you don't want users copying things then don't put those things in web pages. It's just that simple.

                          Citizen 20.1.01

                          'The question is,' said Humpty Dumpty, 'which is to be master - that's all.'

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                          • E eyeseetee

                            As far as I am aware its impossible to completly disable CTRL C or even the right click of a mouse because it can only be done using javsscript or client side code and users are able to manipulate this. Am I right in saying that?

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                            R Offline
                            Ri Qen Sin
                            wrote on last edited by
                            #14

                            Make the presentation format "non-standard"; make a Java applet fill up the browser window, and using Java to display the content.

                            So the creationist says: Everything must have a designer. God designed everything. I say: Why is God the only exception? Why not make the "designs" (like man) exceptions and make God a creation of man?

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                            • E eyeseetee

                              As far as I am aware its impossible to completly disable CTRL C or even the right click of a mouse because it can only be done using javsscript or client side code and users are able to manipulate this. Am I right in saying that?

                              M Offline
                              M Offline
                              Member 96
                              wrote on last edited by
                              #15

                              And people wonder why other people later on in this forum today are posting programming questions, clearly this guys are getting answered here.


                              "It's so simple to be wise. Just think of something stupid to say and then don't say it." -Sam Levenson

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                              • M Member 96

                                And people wonder why other people later on in this forum today are posting programming questions, clearly this guys are getting answered here.


                                "It's so simple to be wise. Just think of something stupid to say and then don't say it." -Sam Levenson

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                                eyeseetee
                                wrote on last edited by
                                #16

                                I wouldn't say it was a pure programming question more a general question on how people feel about restricting user access through a browser

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