Lanap BotDetect for ASP.NET is a website security tool made to prevent automated registering with CAPTCHA image. While the code cannot be read by machine (computer program), it is easily read by a human.

Here are some key features of "Lanap BotDetect ASP.NET CAPTCHA":

· time unlimited and fully functional demo version (it displays "Lanap" 50% of times),
· built-in sound support that allows access even to visually impaired people,
· customizable image size and format,
· full server side component,
· works on shared servers (medium trust) support
· not dependent on other software so it does not bring in any additional dependencies,
· includes high-quality samples,
· free 24x7 support.
· 50 CAPTCHAs (50 different CAPTCHA algorithms)
· Custom CAPTCHA code length
· Custom CAPTCHA image size
· Sound support
· Choose between alpha, numeric and alphanumeric codes
· Medium trust environment support (applies to .NET version)
· jpeg, .gif, .png and .bmp CAPTCHA image formats

Requirements:

· IIS
· NET Framework 2.0

Limitations:

· Trial version displays "LANAP" instead of a random code in 50% of CAPTCHA image renderings

What's New in This Release: [ read full changelog ]

· Added "Reload CAPTCHA" button support
· ASP.NET Ajax built-in compatibility
· Built-in SharePoint support
· Rewrote the Captcha control rendering code to produce smaller, semantic, XHTML 1.1 Strict compliant markup