add captcha to website

As my PHP website has more and more visits to blog development and more comments, Wordpress has more and more visits to blog development and comments as Wordpress does not have the filtering function, wordpress spam comments are getting more and

ProblemIn a less fortunate situation, people use automated programs to submit forms, causing a lot of rubbish throughout the internet. One way to prevent this is to use a CAPTCHA---CAPTCHA: fully automated to differentiate between computer and human

in the process of Web development , Verification code is often used to prevent the robot from constantly submitting data and causing the website to be paralyzed . Yii provides a verification code plug- in, that is , Captcha. The first step:using in

Laravel5.2 use Captcha to generate a verification code for Logon (session pitfall), laravel5.2captcha Recently, a friend asked me to help with laravel's verification code login, so I did a little research. (I forgot how to use laravel) First,

Http://htsoft.org/html/y2011/822_using-htmlunit-landing-site-with-captcha-image.htmlUse Htmlunit to log in a website with captcha imagesSeptember 15, 2011 ⁄ programming language ⁄ a total of 1266 characters ⁄ font size small big ⁄ no comments ⁄ read

Topics Many automatedProgramThe form is automatically submitted, causing a large amount of junk data on the Internet. To prevent this situation, we have implemented a graphic Verification Code (CAPTCHA:Completely automated public Turing test to

ZF2 provides the picture verification code zend\captcha\image and the symbol character verification code Zend\captcha\figlet, the picture Verification code is the website application to see more a kind of verification code, this article takes the

The content of this tutorial is close to the technical direction I am good at: Safe contact forms. As I mentioned in the previous tutorial, A common contact form helps a visitor communicate with you without exposing your email address to the

Blog www.cnseay.com has just changed the domain name, and you need to submit an original article... I found a few CMS sets for fun... In the past, the holes dug by some programs were submitted to the official website, and some do not want to remind

Recently the blog Park Revision action is relatively large, see the Background Management page verification code, brought up my interest. Click the displayed verification code, you can go to a special verification code site: http://captcha.com/It