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  • bitdays.co.kr/2021/05/20/%eb%a7%b9%ec%a0%90-%ea%b0%9c%ec%b2%b4-%ed%83%90%ec%a7%80-%ec%8b%9c%ec%8a%a4%ed%85%9c-%ec%8b%9c%ec%9e%a5-2021-%eb%8f%99%ed%96%a5-%ed%81%ac%ea%b8%b0-%ec%84%b1%ec%9e%a5-%ec%9d%b8%ec%82%ac%ec%9d%b4/ (port 80)