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  3. disable CTRL C

disable CTRL C

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  • E Offline
    E Offline
    eyeseetee
    wrote on last edited by
    #1

    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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    • 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?

      B Offline
      B Offline
      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!

      1 Reply Last reply
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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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          E Offline
          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.

          1 Reply Last reply
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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

            L Offline
            L Offline
            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)

            S 2 Replies Last reply
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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)

                S Offline
                S Offline
                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

                  L 1 Reply Last reply
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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

                      L Offline
                      L Offline
                      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)

                      1 Reply Last reply
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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?

                        T Offline
                        T Offline
                        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]

                          B Offline
                          B Offline
                          benjymous
                          wrote on last edited by
                          #12

                          Or copy them out of the browser cache

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

                          1 Reply Last reply
                          0
                          • 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.'

                            1 Reply Last reply
                            0
                            • 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?

                              R Offline
                              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?

                              1 Reply Last reply
                              0
                              • 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

                                E 1 Reply Last reply
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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

                                  E Offline
                                  E Offline
                                  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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