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  • bitdays.co.kr/2021/05/15/%eb%b3%91%ec%9b%90-%ed%9a%8d%eb%93%9d-%ea%b0%90%ec%97%bc-%ec%b9%98%eb%a3%8c-%ec%8b%9c%ec%9e%a5-%ec%a0%90%ec%9c%a0%ec%9c%a8-2021%ec%97%90%ec%84%9c-2026-%ec%82%ac%ec%9d%b4%ec%97%90%ec%9e%88%eb%8a%94/ (port 80)