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  • bitdays.co.kr/2022/01/21/%ec%83%88%eb%a1%9c%ec%9a%b4-%eb%b3%b4%ea%b3%a0%ec%84%9c%ec%97%90-%eb%94%b0%eb%a5%b4%eb%a9%b4-%ec%98%a4%eb%93%9c-%eb%9c%a8%ec%99%88%eb%a0%9b-%ec%8b%9c%ec%9e%a5%ec%9d%80-%eb%b2%88%ec%84%b1%ed%95%98/ (port 80)