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  • bitdays.co.kr/2021/05/14/%eb%8b%a4%ea%b8%b0%eb%8a%a5-%eb%b0%98%eb%8f%84%ec%b2%b4-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%b9%98%eb%a3%8c-%ec%9e%a5%eb%b9%84-%ec%8b%9c%ec%9e%a5-2021-%ec%82%b0%ec%97%85-%ec%97%b0%ea%b5%ac-%ea%b3%b5/ (port 80)