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  4. Uncheck this if you are not a bot

Uncheck this if you are not a bot

Scheduled Pinned Locked Moved The Weird and The Wonderful
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  • P Offline
    P Offline
    PIEBALDconsult
    wrote on last edited by
    #1

    Ah, that was so much easier than trying to figure out a captcha. :laugh:

    You'll never get very far if all you do is follow instructions.

    B D B D 4 Replies Last reply
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    • P PIEBALDconsult

      Ah, that was so much easier than trying to figure out a captcha. :laugh:

      You'll never get very far if all you do is follow instructions.

      B Offline
      B Offline
      Brisingr Aerowing
      wrote on last edited by
      #2

      And where is this? Oh, and :doh: :sigh: :wtf: :~ X| :laugh: :^)

      What do you get when you cross a joke with a rhetorical question?

      P 1 Reply Last reply
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      • P PIEBALDconsult

        Ah, that was so much easier than trying to figure out a captcha. :laugh:

        You'll never get very far if all you do is follow instructions.

        D Offline
        D Offline
        dan sh
        wrote on last edited by
        #3

        Was it like this? Uncheck □ this -> □ if □ you □ are □ not □ a bot □.

        My CP workspace: Incredibly trivial and probably useless code samples[^]

        P 1 Reply Last reply
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        • D dan sh

          Was it like this? Uncheck □ this -> □ if □ you □ are □ not □ a bot □.

          My CP workspace: Incredibly trivial and probably useless code samples[^]

          P Offline
          P Offline
          PIEBALDconsult
          wrote on last edited by
          #4

          No, just the one checkbox.

          You'll never get very far if all you do is follow instructions.

          1 Reply Last reply
          0
          • B Brisingr Aerowing

            And where is this? Oh, and :doh: :sigh: :wtf: :~ X| :laugh: :^)

            What do you get when you cross a joke with a rhetorical question?

            P Offline
            P Offline
            PIEBALDconsult
            wrote on last edited by
            #5

            It's on a website my kid sister probably doesn't frequent.

            You'll never get very far if all you do is follow instructions.

            1 Reply Last reply
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            • P PIEBALDconsult

              Ah, that was so much easier than trying to figure out a captcha. :laugh:

              You'll never get very far if all you do is follow instructions.

              B Offline
              B Offline
              Bernhard Hiller
              wrote on last edited by
              #6

              Can't find it with Google. Is the most relevant result hidden from me?

              1 Reply Last reply
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              • P PIEBALDconsult

                Ah, that was so much easier than trying to figure out a captcha. :laugh:

                You'll never get very far if all you do is follow instructions.

                D Offline
                D Offline
                Dennis_E
                wrote on last edited by
                #7

                Wow, that's very ... uhm ... secure. :cool: I once came across a site where they showed a series of pictures with checkboxes and you had to check all the vehicles and leave the rest unchecked. Try writing a bot for that.

                J OriginalGriffO 2 Replies Last reply
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                • D Dennis_E

                  Wow, that's very ... uhm ... secure. :cool: I once came across a site where they showed a series of pictures with checkboxes and you had to check all the vehicles and leave the rest unchecked. Try writing a bot for that.

                  J Offline
                  J Offline
                  jesarg
                  wrote on last edited by
                  #8

                  Algorithm: Randomly check or uncheck each box. If there's five pictures, then you'll successfully bypass the security 1/32 times. Bots have infinite patience, and checkbox-based security can usually be brute-forced.

                  P D 2 Replies Last reply
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                  • J jesarg

                    Algorithm: Randomly check or uncheck each box. If there's five pictures, then you'll successfully bypass the security 1/32 times. Bots have infinite patience, and checkbox-based security can usually be brute-forced.

                    P Offline
                    P Offline
                    PIEBALDconsult
                    wrote on last edited by
                    #9

                    jesarg wrote:

                    1/32 times

                    Are you assuming exactly one vehicle? I assumed that any, all, or none would meet the criteria. Whoops, no, I see it now, sorry.

                    You'll never get very far if all you do is follow instructions.

                    1 Reply Last reply
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                    • J jesarg

                      Algorithm: Randomly check or uncheck each box. If there's five pictures, then you'll successfully bypass the security 1/32 times. Bots have infinite patience, and checkbox-based security can usually be brute-forced.

                      D Offline
                      D Offline
                      Dennis_E
                      wrote on last edited by
                      #10

                      There were about 30 pictures perhaps. If you only allowed a few tries before it locked up, it would be pretty secure, I suppose. (I'm not an expert) But nothing is 100% secure of course.

                      J J 2 Replies Last reply
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                      • D Dennis_E

                        There were about 30 pictures perhaps. If you only allowed a few tries before it locked up, it would be pretty secure, I suppose. (I'm not an expert) But nothing is 100% secure of course.

                        J Offline
                        J Offline
                        jasonHall
                        wrote on last edited by
                        #11

                        I thought this forum consisted of only experts! ;P (then I ask myself why would I be here then!)

                        1 Reply Last reply
                        0
                        • D Dennis_E

                          There were about 30 pictures perhaps. If you only allowed a few tries before it locked up, it would be pretty secure, I suppose. (I'm not an expert) But nothing is 100% secure of course.

                          J Offline
                          J Offline
                          jesarg
                          wrote on last edited by
                          #12

                          If you display a lot of pictures at once, then the system becomes just as annoying to users as a captcha. Also, you'd have to maintain a large and constantly-changing database of pictures to keep the bot from memorizing which pictures are the vehicles. In any case, defeating the bots is a much bigger task than people realize. If bot writers are willing to create advanced algorithms capable of deciphering a captcha, then they are willing to go to great lengths to defeat other security features, too.

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                          • D Dennis_E

                            Wow, that's very ... uhm ... secure. :cool: I once came across a site where they showed a series of pictures with checkboxes and you had to check all the vehicles and leave the rest unchecked. Try writing a bot for that.

                            OriginalGriffO Offline
                            OriginalGriffO Offline
                            OriginalGriff
                            wrote on last edited by
                            #13

                            I've seen that with "Kittens" and "Puppies" as well - very damn annoying!

                            Those who fail to learn history are doomed to repeat it. --- George Santayana (December 16, 1863 – September 26, 1952) Those who fail to clear history are doomed to explain it. --- OriginalGriff (February 24, 1959 – ∞)

                            "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
                            "Common sense is so rare these days, it should be classified as a super power" - Random T-shirt

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