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  • bitdays.co.kr/2021/05/13/%ea%b8%80%eb%a6%ac%ec%bd%94-cas-596-51-0-%ec%8b%9c%ec%9e%a5-2021-%ec%84%b1%ec%9e%a5-%ec%9d%b8%ec%9e%90-%ec%b5%9c%ea%b3%a0-%ec%a0%9c%ec%a1%b0%ec%97%85%ec%b2%b4-%eb%af%b8%eb%9e%98-%ed%88%ac%ec%9e%90/ (port 80)