Unobtrusive Antispam: Using JavaScript and Cookies Efficiently To Thwart Spammers and Hackers
Published by: CoffeeDesk.com
Date: June 10, 2009
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URL: http://thecoffeedesk.com/news/index.php/2009/06/09/unobtrusive-antispam/
"...Hiding The Form With DOM Code
...Placing a div element with an id attribute used by an external JavaScript function to place the actual form via DOM-modifying functions is the preferred method of doing so, with a noscript tag alerting users to enable JavaScript in case of NoScript or users with JavaScript disabled.
Preventing HTTP POST-based attacks
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Form randomization
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Remember: while this will block probably 99% of your form-solicited spam, it will not indefinitely stop all spam from occurring. A user whom wishes bad enough to attack your site could still manually download and parse a form via a premade script."
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Read the entire article, comment and share at: http://thecoffeedesk.com/news/index.php/2009/06/09/unobtrusive-antispam/
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