I need to write a captcha service for the integration software I am working on. After some thinking I think I don’t fully understand how captcha works tehnologically (I do understand how it works functionally) and therefore haven’t been able to make some design decisions. A few things that bother me are: Should I keep a session for eac...
is there another way of securing your register page from robots, I'm thinking about doing my registration page as a flash (swf, my site requires flash for video streaming anyway), would that help, or not? what else can I do? ...
Consider a new website in development where it requires the users to register for a service. Lots of sites require a confirm by email and by having the user enter captchas. What's the usage of both these devices? If a site has a captcha verification, does it still need an email confirmation? ...
We are using Grails Acegi plugin 0.5.1 for authentication and also the Captcha functionality. On input validation errors, I would like to generate a new Captcha value. I am using the render method from a User controller to present the template with the validation errors. The template in question includes an img element implementing a ...
I want to fit my captcha in my table based form , but buy simply adding Zend_Form_Element_Captcha , which uses its own decorator messes up my table based form layout. I hope there is some way so it gets like <tr> <td></td> <td><img src="343444.png"/></td> </tr> <tr> <td>Write the above text</td> <td><input type="text" name="foo[inpu...
Hi, I have put up a Jcaptcha based on the example from the Jcaptcha site, but I need to configure the default jcaptcha with colors and fonts. I managed to find this Configuration Jcaptcha with Spring, however this is with the use of Spring. I am a newbie with Java, and not using Spring, may I know how can I create new captcha configurat...
Hi, I am creating a Jcaptcha engine so that I will be able to set the background of my jcaptcha to blue. I tried following the example on 5 Mins Integration Tutorial, under the comments they have a small example of how to configure the jcaptcha. However my netbeans reflected that the SingleColorGenerator and FunkyBackgroundGenerator can...
hi friends, I am developing a website with php, i'm also using javascript in it. I have to refresh captcha in my website with a refresh button when a captcha is unreadable to a user. how can i do this. please share any idea or codes to me Thanks ...
There seems to be a bot attempting to spam through my contact form - attempting to send hundreds of emails with PURE gibberish: 1vvQZe mnfxobzahiga, [url=http://dxicyigwtdyn.com/]dxicyigwtdyn[/url], [link=http://hhulyjnulbvz.com/]hhulyjnulbvz[/link], http://nfggzmenyqcl.com/ I'm really trying to keep from using captchas on my site...
I'm using the following security(invisble captcha) for my site's form submission to prevent auto submission: generate the result of md5 with a fixed salt on number x and render it inside the form as a hidden field generate 2 hidden fields a and b where a + b = x, a and b are unencrypted upon submission, use javascript to add another p...
I know Coldfusion 8 and 9 should be able to run PHP codes; although I have not testing this yet. I would like to know if is possible to use JQuery Fancy Captcha: http://www.webdesignbeach.com/beachbar/ajax-fancy-captcha-jquery-plugin in a ColdFusion application. If yes, how could it be implemented? Thanks Vicente ...
My site uses captcha of 6 digits, however if the attacker try all combinations, chances are he will successfully submit the form fraction of the times.(1/million in theory, much more in practice since the random number generator I use is not truely random). Is there anyway I can further prevent him from succeeding? One way is to prevent...
Hello! I want to implement user registration using capctha in Django. The workflow of django-registration app is a great, but it doesn't have captcha=( What captcha would you recommend to use with it? Maybe, some other variants of registration+captcha or useful links on the topic? Oh, and this should work with Django-1.1 and don't be ...
can any one tell me how to use captcha in asp.net mvc? is there any need to download any control for it? Thank You. ...
Is there a way to implement captcha on a couchdb app? I am writing a signup page on my application and I want to have protection against spam signups. It seems that I would have to do that with a server alongside couchdb. I was hoping to avoid that. Any ideas? ...
Hi I'm developing a flash registration form and I need to incorporate dynamic 'captcha' images for confirmation. Can anyone recommend a best solution for doing this? ...
Hi code igniter captcha is not working in my page.My php gd library enabled but no change result ...
I am building an application where i am using a web resource for implementing captcha. When i runs this application on my localhost, it run successfully but when i tries running it live then no image gets displayed in captcha. This is my live application where no image is being displayed. But it is running successfully on localhost. W...
My UsersControllerTest currently fails because I use verify_recaptcha in UsersController#create. How can I write my tests such that a known good CAPTCHA response is passed with params[:user]? I am using reCAPTCHA, but I suppose the question would apply to any CAPTCHA implementation. Here is my UsersController#create def create @user ...
Can we implement vidoop captcha in java? Is that secure? What is the complexity of implementing that in java? What should we learn to implement that in java? ...