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  • bitdays.co.kr/2021/12/07/%ec%9e%ac%ec%82%ac%ec%9a%a9-%ea%b0%80%eb%8a%a5%ed%95%9c-%ec%96%bc%ea%b5%b4-%eb%a7%88%ec%8a%a4%ed%81%ac-%ec%8b%9c%ec%9e%a5-%eb%b6%84%ec%84%9d-%ec%a1%b0%ec%82%ac-%ec%83%81%ec%9c%84-%ea%b5%ad%ea%b0%80/ (port 80)