Softkites Posted March 8, 2009 Share Posted March 8, 2009 Ok, sort of a newbie here. Using captcha you normally get a code to generate images with the text or symbols in it, you can of course use your own images. Here is my question: How do you know if those images you made yourself are safe to use, in other words how to know the robots can't read the text or symbols on them? Here is an image I produced, is it safe? If not, why not. How can I make it safe? PS, you can take a look at it working [here]. This site is still under construction. I also made it so you can enlarge it when using your mouse over. Older people need that you know, they are blind Ha Ha.... By the way the larger version and the smaller one are two different images. Thanks for your help guys. Steady Breezes Robert Quote Link to comment Share on other sites More sharing options...
genericnumber1 Posted March 8, 2009 Share Posted March 8, 2009 The reason you want a CAPTCHA is so that it's much more difficult to create a program to automatically enter your form, if it's the same image every time there isn't a reason to even have one. Quote Link to comment Share on other sites More sharing options...
Softkites Posted March 8, 2009 Author Share Posted March 8, 2009 The reason you want a CAPTCHA is so that it's much more difficult to create a program to automatically enter your form' date=' if it's the same image every time there isn't a reason to even have one.[/quote'] I am well aware of that, the reason I am asking is that if the first image or text is impenetrable, why have more images or text. That is the main issue I query. In other words if they are not impenetrable like you said, eventually the programs will get through, whether it is the first, second, third, twentieth, thirtieth attempt. Or is that not correct? Does having more images or text make it impenetrable ? I appreciate your comments. Steady Breezes Robert Quote Link to comment Share on other sites More sharing options...
Mchl Posted March 8, 2009 Share Posted March 8, 2009 The point is, the image should be random. If it is not, a living person can come to your site, solve the captcha, and then code the program to post correct answer. Quote Link to comment Share on other sites More sharing options...
RussellReal Posted March 8, 2009 Share Posted March 8, 2009 exactly, so if they get the captcha wrong, you generate a NEW captcha image.. I created a captcha image generated a while ago, and I'm not exactly sure how great it is anymore, but its works good.. I've attached it to this post and heres a link to a demo: Image Plain Text from Image [attachment deleted by admin] Quote Link to comment Share on other sites More sharing options...
Softkites Posted March 8, 2009 Author Share Posted March 8, 2009 Thanks for your answers guys, I appreciate your thoughts and I will give that Captcha generator a try for sure. With there being over 1 trillion unique URL's, I think it is fairly safe not to expect someone to come to my particular website and create a program to get through the security. Who knows though. I did read a tutorial about stripping tags etc from the entered text, that is also a great solution. Steady Breezes Robert PS: To those that do not like my kite emoticons, they are made by myself, that is why I was using them and they are not smilies either. Smilies are round. Take care. Quote Link to comment Share on other sites More sharing options...
Mchl Posted March 8, 2009 Share Posted March 8, 2009 Always expect unexpected. PS: To those that do not like my kite emoticons, they are made by myself, that is why I was using them and they are not smilies either. Smilies are round. Take care. Don't know how about others, but personally I find them amusing Quote Link to comment Share on other sites More sharing options...
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