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  • bitdays.co.kr/2021/02/25/%ec%8b%9c%ed%97%98-%ec%9e%ac%ec%82%ac%ec%9a%a9%ec%9d%b4-%ea%b0%80%eb%8a%a5%ed%95%9c-%ec%9d%98%eb%a3%8c-%ec%9e%a5%ea%b0%91-%ed%8c%90%eb%a7%a4-%ec%8b%9c%ec%9e%a5-%ea%b7%9c%eb%aa%a8-%ec%98%88%ec%b8%a1/ (port 80)