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  • bitdays.co.kr/2021/02/24/%eb%b9%84-%ec%8b%a4%eb%a6%ac%ec%bd%98-%eb%a6%b4%eb%a6%ac%ec%8a%a4-%eb%9d%bc%ec%9d%b4%eb%84%88-%ec%8b%9c%ec%9e%a5-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%a0%90%ec%9c%a0%ec%9c%a8-%ed%81%ac%ea%b8%b0/ (port 80)