How to Implement Captua in My Web Page

Use Captua to prevent spam on your Web page.

Captua, or CAPTCHA, adds a level of security to your Internet forms because the user must prove that they are human rather than a machine. This mechanism requires the visitor to physically type in displayed text in order to access certain parts of your site, so spammers cannot send automated scripts containing unwanted advertisements and other non-related messages. If you have ever been a victim of this intrusion or want to prevent this from happening, implement Captua on your own web page so that only relevant data is submitted to you.

Instructions

1. Download the files on the Securimage website to implement the free CAPTCHA script (see Resources). This script works on any Web server as long as PHP with GD support is installed. Click the "quickstart guide" link and follow the instructions to edit your form's HTML and PHP code. The Securimage open source script is free, but you have the option to purchase professional installation if you want this organization to integrate CAPTCHA into your form for you.

2. Access the WebSpamProtect site and register for the "Free," "Premium," "Advanced" or "Professional" account (see Resources). The "Free" program provides both a CAPTCHA and audio CAPTCHA service, while the paid memberships offer an unlimited number of forms that you may use the CAPTCHA service on as well as other advanced features like auto-responders. After signing up for your preferred account, log in and follow the instructions to install the code that creates this security measure on your Web page. To use this service your website must support ASP, Perl, ASP.Net or PHP.

3. Bring up the Protect Web Form website and click the "Sign Up" link in the menu bar to register for a free account (see Resources). Follow the prompts in the email that you receive to get your password, log in to your account, install the protection scripts and update your HTML page. In addition to protecting your online forms, such as your guestbook and comment pages, Protect Web Form also guards against email spam, which you set up on the "My Emails" page of your account. Additionally, if you have a WordPress site, click the "WordPress plugin" link and follow the instructions to add this tool to your plugin directory.

References

• Drupal: CAPTCHA
• SecurImage: Quickstart Guide
• WebSpamProtect: Plan Features
• Protect Web Form: How to Protect Your Web Form

Resources

• Securimage CAPTCHA: Free PHP Captcha Script
• WebSpamProtect: Free Web Form Spam Protection. CAPTCHA service. Online Mail Form Builder
• Protect Web Form: CAPTCHA Service - Stop Guestbook Spam, Blog Spam, Wiki Spam, Comment Spam