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  • bitdays.co.kr/2021/02/13/%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%a0%91%ed%95%a9-%ed%8a%b8%eb%a0%88%ec%9d%bc%eb%9f%ac-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%ec%a7%80%ec%97%ad-20/ (port 80)