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  • bitdays.co.kr/2021/05/13/%ea%b2%bd%ed%99%94-%ed%83%80%ec%9e%85-%ec%8b%a4%eb%9e%80%ed%8a%b8%eb%a5%bc-%ec%b2%9c%ec%b2%9c%ed%9e%88-%ec%8b%9c%ec%9e%a5-%ec%88%98%ec%9a%94-%ec%a6%9d%ea%b0%80-%eb%af%b8%eb%9e%98-%eb%b2%94%ec%9c%84/ (port 80)