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  • bitdays.co.kr/2021/10/02/%ed%8a%b8%eb%a1%9c-%eb%93%80%eb%a0%88-%ed%8b%b4-%ec%8b%9c%ec%9e%a5-2021-%ec%82%b0%ec%97%85-%ec%97%b0%ea%b5%ac-%ea%b3%b5%ec%9c%a0-%ed%8a%b8%eb%a0%8c%eb%93%9c-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%82%b0-2/ (port 80)