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  • bitdays.co.kr/2021/05/18/%ed%9d%91%ec%97%b0-%eb%b6%88%ec%86%8c-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0%ec%99%80-%ec%b5%9c%ea%b3%a0-%ea%b8%b0%ec%97%85%ec%9c%bc%eb%a1%9c-%ec%84%b1%ec%9e%a5-2021-%eb%8f%99%ed%96%a5-%eb%b6%84/ (port 80)