CAPTCHA is the acronym of Completed automated public turing test to tell computers and humans apart. It is a kind of turing test that one has to pass through at times of submitting the form through the online mode. It is mainly designed to prevent the spam. This will help to distinguish between the humans and the robots. The CAPTCHA in VB.Net will give you the complete details regarding the?? usage of CAPTCHA. All might or will have gone through this CAPTCHA identification or the turing test. There will be some pictures which will be identified only by the humans. The robots will not be able to identify it. If the pictures guessed are right then the form will be submitted to the server. At this time the CAPTCHA comes into picture.
The CAPTCHA is mainly designed to block the spammers attack who try to get the details or confidential information of the websites. The CAPTCHA is mainly designed to distinguish between the humans and the bots. The applications of using CAPTCHA are as follows:
- Prevent spam: This application will help prevention of spam comment in blogs.
- Website registration: This will help in protecting the websites during the registration process.
- Differentiate: The CAPTCHA will help in differentiating between the humans and the robots with great ease.
- Email address: The CAPTCHA will also help in protecting the email addresses from the scrapers.
- Dictionary attacks: This can also help in preventing the dictionary attacks without any difficulty.
- Online polling: This can also help in detecting whether the vote casted through online is by a human or a robot.
- Web pages: This will help in protecting the confidential information of the web pages.
- Prevent bots: The CAPTCHA can help in preventing the bots that will be used in the social networking sites or during some form registration.
The CAPTCHA is mainly designed to block the spammers attack who try to get the details or confidential information of the websites. The CAPTCHA is mainly designed to distinguish between the humans and the bots.
Project Title:??CAPTCHA in VB.Net
Front End: VB.Net
Back End: SQL
