Implementing Captcha Security Check On The Register Page?

May 24, 2009

I am implementing Captcha security check on the register page and seem that I am unable to find the Captcha image/picture. Does anyone know where can i download such images?

CAD

PS: I am currently doing a project on security of the site and i hope that all the threads started by me will benefit people in this forum. ;)

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Stop Refreshing The Page When Captcha Is Wrong?

Nov 28, 2011

Here's part of the codes I got from our website. Right now, when someone wants to register on our website, they have to put into the Captcha after they finish all the other information. If the captcha is empty, there would be an alert; if it's wrong, the page would be refreshed, and there would be another alert, and at the same time, all the information would be lost and they have to fill them again. Now the question is, how can I stop the page refreshing itself? All I need is an alert and then you could retype the captcha without losing the other information.

<script type="text/javascript">
function ltrim(stringToTrim) {
return stringToTrim.replace(/^s+/,"");
}
function validateForm()
{
var okSoFar=true
[Code]...

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Stop Refreshing Page When Captcha Is Wrong?

Nov 28, 2011

Here's part of the codes I got from our website. Right now, when someone wants to register on our website, they have to put into the Captcha after they finish all the other information.

If the captcha is empty, there would be an alert; if it's wrong, the page would be refreshed, and there would be another alert, and at the same time, all the information would be lost and they have to fill them again.

Now the question is, how can I stop the page refreshing itself? All I need is an alert and then you could retype the captcha without losing the other information.[code]...

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callclock.php
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[code]....

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[Code]...

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<script language="javascript">
function refreshCaptcha(){
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[Code]....

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I use ajax submit for my jquery validation form. I NEED a captcha for the form, being I am getting attacked by bots. I cannot figure out how to do it. I will past my code below.

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var str = $("form").serialize();
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[code]....

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