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  • bitdays.co.kr/2021/12/04/%ea%b5%ac%eb%a6%ac-%ec%9d%b8%eb%93%90-%ea%b0%88%eb%a5%a8-%ec%85%80%eb%a0%88%eb%82%98%ec%9d%b4%eb%93%9ccigs-cis-%ed%83%9c%ec%96%91-%ec%a0%84%ec%a7%80-%eb%aa%a8%eb%93%88-%ec%8b%9c%ec%9e%a5-%ed%81%ac/ (port 80)