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  • bitdays.co.kr/2021/02/23/%eb%94%94%ed%81%b4%eb%a1%9c%ed%8e%98%eb%82%99-%ed%8c%a8%ec%b9%98-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%b6%84%ed%95%a0%ec%97%90-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%97%b0%ea%b5%ac-%eb%b3%b4%ea%b3%a0/ (port 80)