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  • bitdays.co.kr/2021/02/24/%ec%9d%98-sic-%eb%b0%8f-%ec%a7%88%ed%99%94-%ea%b0%88%eb%a5%a8-%ec%a0%84%ec%9b%90-%ec%9e%a5%ec%b9%98-%ec%8b%9c%ec%9e%a5-%ec%a1%b0%ec%82%ac-2021-%ec%83%88-%eb%b3%b4%ea%b3%a0%ec%84%9c-%ec%84%b1/ (port 80)