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  • bitdays.co.kr/2021/05/08/%ec%a0%84%ea%b8%b0-%ea%b3%b5%ec%95%95-%ea%b8%b0%ec%b0%a8-%eb%b8%8c%eb%a0%88%ec%9d%b4%ed%81%ac-%ec%8b%9c%ec%9e%a5%ec%9d%80-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ea%b3%b5%ec%9c%a0-%ed%81%ac%ea%b8%b0/ (port 80)