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  • bitdays.co.kr/2021/02/17/%ec%95%8c%ed%8c%8c-1-%ed%95%ad-%ed%8a%b8%eb%a6%bd%ec%8b%a0-%ea%b2%b0%ed%95%8d%ec%a6%9d-%ec%b9%98%eb%a3%8c-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c-%ed%81%ac%ea%b8%b0-%ec%84%b1%ec%9e%a5/ (port 80)