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  • bitdays.co.kr/2021/09/15/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%97%90%ec%8a%a4%ec%bb%ac%eb%a0%88%ec%9d%b4%ed%84%b0%ec%99%80-%ec%9d%b4%eb%8f%99-%ed%86%b5%eb%a1%9c-%ec%8b%9c%ec%9e%a5-2021-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80/ (port 80)