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  • bitdays.co.kr/2021/09/15/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ea%b4%91%ec%84%ac%ec%9c%a0-%ec%b2%ad%ec%86%8c-%ed%82%a4%ed%8a%b8-%ec%8b%9c%ec%9e%a5-%eb%b6%84%ec%84%9d-%ec%84%b1%ec%9e%a5-%ea%b7%9c%eb%aa%a8-%ec%88%98%ec%9a%94/ (port 80)