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  • bitdays.co.kr/2021/09/17/%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80%ec%9d%98-%ed%8e%80%ec%b9%ad-%eb%b0%8f-%ea%b5%bd%ed%9e%98-%ea%b8%b0%ea%b3%84-%ec%8b%9c%ec%9e%a5-2021%ec%97%90-%eb%8c%80%ed%95%9c-%ec%b5%9c%ec%8b%a0-%eb%b3%b4/ (port 80)