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RadCaptcha
for asp.net ajax
It is so easy to prevent your online forms from automated spam by simply adding
RadCaptcha to your ASP.NET application. A flexible website security component, RadCaptcha
will protect your registration, comment, poll, content submission, etc. It generates
distorted images of letters and numbers that are easily decipherable to humans --
but not to spam bots. In essence, it allows you to focus on your code or content
-- instead of on deleting spam.
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First look at RadCaptcha features.
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See how you can implement validation summary with RadCaptcha.
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See how to Generate New Image and Validate a Custom TextBox.
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See how to Generate Audio Code with RadCaptcha.
- Overview
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RadCaptcha allows you to add distorted images of letters and numbers used to you websites and prevent from spam.
- Three Modes for Protection
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You can easily define which spam protection strategies to be used. For maximum security, by default, all of them are used.
- Flexible Layout
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You can easily control the background, the size and the line noise of the image by setting the respective values.
- Captcha Timeout
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You can specify a maximum number of minutes the Captcha Image will be cached and valid.
- Industry-best cross-browser support
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Telerik RadControls support all major browsers Internet Explorer, Firefox, Safari, Opera and Google Chrome.
- FREE Training Materials
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A wealth of supporting resources: documentation, interactive training sessions, KB articles, videos and many more.
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