miniboard 예제 : https://lucaskim.tistory.com/53?category=782347, https://namocom.tistory.com/579, https://goddaehee.tistory.com/205?category=367461 security&autit : https://gist.github.com/dlxotn216/94c34a2debf848396cf82a7f21a32abe