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  • bitdays.co.kr/2021/05/14/%ec%98%a4%eb%94%94%ec%98%a4-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ea%b8%b0%eb%b0%98%ec%9d%98-%ed%9a%8c%ec%9d%98-%ec%8b%9c%ec%9e%a5-2021-%ea%b8%b0%ec%97%85-%eb%8f%84%ec%a0%84-%ec%82%ac/ (port 80)