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  • bitdays.co.kr/2021/02/22/%eb%a9%a4%eb%b8%8c%eb%a0%88%ec%9d%b8-%ec%97%90%ec%96%b4-%eb%93%9c%eb%9d%bc%ec%9d%b4%ec%96%b4-%ec%82%b0%ec%97%85-%ec%8b%9c%ec%9e%a5-%ec%9d%b8%ed%81%ac-%eb%a0%88-%eb%8d%94%eb%b8%94%ec%9d%98-%ea%b0%80/ (port 80)