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  • bitdays.co.kr/2021/05/15/%ec%83%9d%eb%aa%85-%ea%b3%bc%ed%95%99-%ec%9e%a5%eb%b9%84-%ec%8b%9c%ec%9e%a5-2021-%ec%82%b0%ec%97%85-%ec%97%b0%ea%b5%ac-%ea%b3%b5%ec%9c%a0-%ed%8a%b8%eb%a0%8c%eb%93%9c-%ea%b8%80%eb%a1%9c%eb%b2%8c-2/ (port 80)