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  • bitdays.co.kr/2021/09/15/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%82%ac%ec%a0%84-%ec%9a%b4%eb%8f%99-%eb%b3%b4%ec%b6%a9-%ea%b5%90%ec%9e%ac-%ec%8b%9c%ec%9e%a5-%ea%b7%9c%eb%aa%a8-2021-%ea%b5%ad%eb%82%b4-%eb%b0%8f-%ec%84%b8%ea%b3%84/ (port 80)