NoBot Extender Control in Ajax

NoBot is an essential tool to safeguard you from spam and spam comments on your popular blog. This is an awesome tool and so easy to use and integrate to your current page. We will show you how really easy it is to use.

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NoBot is a control that attempts to provide CAPTCHA-like bot/spam prevention without requiring any user interaction. This approach is easier to bypass than an implementation that requires actual human intervention, but NoBot has the benefit of being completely invisible. NoBot is probably most relevant for low-traffic sites where blog/comment spam is a problem and 100% effectiveness is not required.

Following are the different types of AJAX NoBot control responses:

Valid: When NoBot control verifies the actions performed by a user and it passes all the tests then the user is considered as human.

InvalidBadResponse: When challenge script fails the test then AJAX NoBot control returns the bad response.

InvalidResponseTooSoon: When postback occurs more quickly than a specified ResponseMinimumDelaySeconds.

InvalidAddressTooActive: When a single client's IP remains active for a long time and performs number of postback then it returns the InvalidAddressTooActive.

InvalidBadSession: When ASP.Net session state becomes unusable.

InvalidUnknown: When unknown problem occurs

refer this link
http://v4.ajaxtutorials.com/tutorials/asp-net/ajax-control-toolkit-nobot-extender-tutorial-in-asp-net-c-2/

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Hemant Kumar15y ago
NoBot is an essential tool to safeguard you from spam and spam comments on your popular blog. This is an awesome tool and so easy to use and integrate to your current page. We will show you how really easy it is to use.

Also if you're ever in the market for some great Windows web hosting, try Server Intellect. We have been very pleased with their services and most importantly, technical support.
NoBot is a control that attempts to provide CAPTCHA-like bot/spam prevention without requiring any user interaction. This approach is easier to bypass than an implementation that requires actual human intervention, but NoBot has the benefit of being completely invisible. NoBot is probably most relevant for low-traffic sites where blog/comment spam is a problem and 100% effectiveness is not required.

Following are the different types of AJAX NoBot control responses:

Valid: When NoBot control verifies the actions performed by a user and it passes all the tests then the user is considered as human.

InvalidBadResponse: When challenge script fails the test then AJAX NoBot control returns the bad response.

InvalidResponseTooSoon: When postback occurs more quickly than a specified ResponseMinimumDelaySeconds.

InvalidAddressTooActive: When a single client's IP remains active for a long time and performs number of postback then it returns the InvalidAddressTooActive.

InvalidBadSession: When ASP.Net session state becomes unusable.

InvalidUnknown: When unknown problem occurs

refer this link
http://v4.ajaxtutorials.com/tutorials/asp-net/ajax-control-toolkit-nobot-extender-tutorial-in-asp-net-c-2/
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