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  • bitdays.co.kr/2021/07/13/%ec%a1%b0%ec%a0%95-%ea%b0%80%eb%8a%a5%ed%95%9c-%eb%8f%84%ec%96%b4-%ec%8a%a4%ed%85%8c%ec%9d%b4-%ec%8b%9c%ec%9e%a5-%ea%b7%9c%eb%aa%a8-2021-%ec%a0%9c%ed%92%88-%ed%8c%90%eb%a7%a4-%ec%88%98%ec%9d%b5/ (port 80)