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  • bitdays.co.kr/2021/06/05/%ec%8a%a4%ed%85%8c%ec%9d%b8%eb%a0%88%ec%8a%a4-%ec%8a%a4%ed%8b%b8-%eb%b2%8c%ec%a7%91-%ec%bd%94%ec%96%b4-%ec%8b%9c%ec%9e%a5%ec%9d%80-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%82%b0%ec%97%85-%ea%b3%b5/ (port 80)