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  • bitdays.co.kr/2021/09/19/%ec%b5%9c%ec%a2%85-%ec%82%ac%ec%9a%a9%ec%9e%90%ea%b0%80-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%8f%ac%ec%9e%a5-%eb%90%9c-%ec%bd%94%ec%bd%94%eb%84%9b-%eb%ac%bc-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%ec%a7%80/ (port 80)