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  • bitdays.co.kr/2021/04/09/%ed%94%84%eb%a1%9c%eb%b0%94%ec%9d%b4%ec%98%a4%ed%8b%b1%ec%8a%a4%ec%8b%9d%ec%9d%b4-%eb%b3%b4%ec%a1%b0%ec%a0%9c-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%b6%84%ec%84%9d%ec%97%90-%ec%9d%98%ed%95%b4/ (port 80)