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  • bitdays.co.kr/2021/09/07/%ec%9d%b8%eb%b2%84%ed%84%b0-%ec%9d%98%eb%ac%b4-%eb%aa%a8%ed%84%b0-%ec%8b%9c%ec%9e%a5-%ea%b7%9c%eb%aa%a8-2021-%ec%8b%9c%ec%9e%a5-%ed%98%9c%ed%83%9d-%eb%b0%9c%eb%8b%ac-%ea%b0%9c%eb%b0%9c-%eb%b9%84/ (port 80)