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  • bitdays.co.kr/2021/07/19/%ec%9e%90%eb%8f%99-cnc-%eb%a1%9c%eb%8d%94-%ec%8b%9c%ec%9e%a5-2021-%eb%8f%99%ed%96%a5-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%82%b0%ec%97%85-%ed%81%ac%ea%b8%b0-%ec%a4%91%ec%9a%94%ed%95%9c-%ec%84%a0%ec%88%98/ (port 80)