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15.9. CAPTCHA
Though not strictly part of the security API, Seam provides a built-in CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) algorithm to prevent automated processes from interacting with your application.
15.9.1. Configuring the CAPTCHA Servlet Copiar enlaceEnlace copiado en el portapapeles!
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To use CAPTCHA, you need to configure the Seam Resource Servlet, which provides your pages with CAPTCHA challenge images. Add the following to
web.xml: