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  • bitdays.co.kr/2021/03/05/%eb%8f%99%eb%ac%bc-%ec%82%ac%eb%a3%8c%ec%9d%98-%ed%94%84%eb%a6%ac-%eb%b0%94%ec%9d%b4%ec%98%a4-%ed%8b%b1%ec%8a%a4-%ec%8b%9c%ec%9e%a5-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%81%ac%ea%b8%b0-%ea%b3%b5/ (port 80)