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  • bitdays.co.kr/2021/05/14/%ed%92%80-%ec%84%9c%eb%b9%84%ec%8a%a4-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ec%8b%9c%ec%9e%a5-2021-%ea%b8%b0%ec%97%85-%eb%8f%84%ec%a0%84-%ec%82%ac%ec%97%85-%ea%b0%9c%ec%9a%94-%eb%b0%8f/ (port 80)