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  • bitdays.co.kr/2021/05/12/%ec%bb%a8%ed%85%8c%ec%9d%b4%eb%84%88-%ea%b8%b0%eb%b0%98-%ec%88%98%ec%a7%81-%eb%86%8d%ec%97%85-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c%eb%8a%94-%ec%84%b8%ea%b3%84-2021-%ec%82%b0%ec%97%85/ (port 80)