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  • bitdays.co.kr/2021/05/05/%ec%b5%9c%ec%a2%85-%ec%82%ac%ec%9a%a9%ec%9e%90%ea%b0%80-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%97%b0%ea%b5%ac%ec%86%8c-%ec%82%bc%ec%95%88-%ed%98%84%eb%af%b8%ea%b2%bd-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0/ (port 80)