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  • bitdays.co.kr/2021/10/02/%ec%9d%bc%ea%b4%84-%ec%bd%94%eb%94%a9%ea%b3%bc-%eb%a7%88%ed%82%b9-%ea%b8%b0%ea%b3%84-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c-2021-2027-%ec%84%a0%eb%8f%84-%ea%b5%ad%ea%b0%80-%eb%8d%b0%ec%9d%b4/ (port 80)