We use Captcha control in a registration form that we make full client validation for all fields in JavaScript ( JQuery ) beside server validation .. I tried a lot of ways but all will write the Captcha value in JavaScript that can be accessed by anyone :( I search if is there any way that allow me validate Captcha value in client side...
I am using a custom captcha php script along with news letter scripts to let users subscribe using an email id. The method of registration is based on jQuery.post command. My question is that am I really safe If I remove the captcha validation from my subscription script. The subscription is simple. For example mydomain/subscribe.php?e...
I am using combination of php+jQuery for captcha validation and later sending mails and do other stuff. The pseudo code is something like this: captcha_code = jQuery.post(.....execute captcha script and get status) if(captcha_code == "correct"){ send_mail_using_php_script; } Now I have no idea whether spammers can directly execute...
i need to how to implement image thast verify human benig as stack overflow by insert and recieve image from database or whats?! ...
Hello, I want to create a form that has a div with id "captcha". When the user enters a wrong password, following code is generated in "login.php" $myCaptcha=recaptcha_get_html($publickey, $error); $xml="<captcha><![CDATA[".$myCaptcha ."]]></captcha>"; echo $xml; recaptcha_get_html($publickey, $error); generates this: <script type="t...
I do have a custom php script that validates captcha code and sends an email. If php script is sending a mail successfully then it returns "true". This is done by: if(!$Error){ echo "true"; exit; } Before returning true, I would like to execute a jQuery command that should refresh the captcha image. I shouldn't be doin...
I have installed ambethia's captcha plugin as a plugin in my rails 3 app. When I put the <%= recaptcha_tags %> in my view, it prints this on the page: <script type="text/javascript" src="http://api.recaptcha.net/challenge?k=my_key&error=expression"></script> <noscript> <iframe src="http://api.recaptcha.net/noscript?k=my_ot...
We are using recaptcha ASP.NET control: http://recaptcha.net/plugins/aspnet/ However, we find that in some situations, recaptcha accepts answers which are clearly wrong. For example, recaptcha provided these words: of purser The tester typed in the following: o purser ..but Page.IsValid returned true! Is this a known issue...
I have downloaded the Captcha control files (ASP.NET 2.0 source files - 27.2 Kb) created by Jeff Atwood from http://www.codeproject.com/KB/custom-controls/CaptchaControl.aspx, and been trying to add this Captcha control in the Toolbox in my Visual Web Developer 2010 since two days ago with no success. According to the instruction on how ...
Does anyone know of a captcha service, whether external (any) or internal (bonus points for ruby on rails) that is just for matching images, like 2 dogs or 3 cats? I am not looking for anything heavily secure anyway. This is for user registrations. ...
Hello all, I would like to unit test a django view by sumitting a form. The problem is that this form has a captcha field (based on django-simple-captcha). from django import forms from captcha.fields import CaptchaField class ContactForm(forms.forms.Form): """ The information needed for being able to download """ las...
It was working great yesterday,.. and now. .. it isn't.. ??? <?php session_start(); if(isset($_POST["captcha"])) { if(($_SESSION['captcha_code'] == $_POST['captcha']) && (!empty($_SESSION['captcha_code'])) ) { //Passed! $captcha_msg="Thank you"; }else{ // Not passed 8-( $captcha_msg="*** invalid image code, please put the righ...
I am building an asp.net mvc web application. Do I need to use captcha while user registration. Because we make the user verify the email, by the standard way, like sending a link in the email and when the user clicks on the link, the email is verified. Do you think bots can actually open an email and verify? And moreover the bots will...
I am using recaptcha django form following this tutorial . It works fine only the little refresh button not working on the recaptcha image. Not sure what is going on. the generated code of recaptcha <script>var RecaptchaOptions = {theme : 'white'};</script><script type="text/javascript" src="http://api.recaptcha.net/challenge?k=6Lc6YL...
I am running ColdFusion MX, so I don't have the possibility of using the built-in cfimage Captcha functionality in my application, before form submitting. But the problem is without captcha the bots submit the forms. What will be best way to prevent automatic submitting? ...
Weird CAPTCHA behavior. If failed, CAPTCHA hijacks page. When submitting the form with errors, the correct page (displaying what fields are incorrect) is displayed for a brief moment then is immediately hijacked by the CAPTCHA form leaving only the CAPTCHA form on the page. The CAPTCHA does not redirect to a new URL, the URL stays the ...
Hello, my question is how do I alleviate the "could not open socket error" that is happening on my site. I have trouble shot that it is captcha (I'm using recaptcha) It is only displaying this error on the two pages where I use recpatcha. I have been generating new sets of keys and sometimes it works and sometimes it does not. For e...
Hi we have just noticed a bunch of Nigerian spam accounts in our email system. Now, we do have a reCaptcha in the signup form but apparently they circumvent it, manually or otherwise. It seems like a semi-manual circumvention since the accounts aren't created in bulk but instead as a steady stream with a few minutes in between. Since mo...
Have anyone tried to implement Captcha server control (http://www.codeproject.com/KB/custom-controls/CaptchaControl.aspx)? I'm lost when generating the CpatchaImage.aspx as my page shows missing image icon.. ...
I've often wanted to create applications that provide a simpler front-end to other websites that require users to login before the pages I want to use can be accessed. I was wondering, if (1) any website with a POST to an http page can be authenticated by POSTing postField1name=pf1Value&postField2name=pf2Value to the website, if tha...