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  • bitdays.co.kr/2021/05/05/%ec%8a%ac%eb%9f%ac%eb%a6%ac-%ec%84%9c%eb%b9%84%ec%8a%a4%ec%97%90-%eb%8c%80%ed%95%9c-%eb%82%98%ec%9d%b4%ed%94%84-%ea%b2%8c%ec%9d%b4%ed%8a%b8-%eb%b0%b8%eb%b8%8c-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0/ (port 80)