티스토리 뷰
jCaptcha
http://jcaptcha.sourceforge.net/jCapcha + audio
- FreeTTS 다운로드 http://sourceforge.net/projects/freetts/files/
참고사이트
- Work with sound jCaptcha in servlet, Part 1 - Setup FreeTTS
- Work with sound jCaptcha in servlet, Part 2 - Customize Voice class in FreeTTS
- JCaptcha - a image and audio captcha
- CAPTCHA - Jcaptcha a bad option ?
- 자동가입방지에 대한 준수사항
ReCaptcha
참고사이트
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