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  • bitdays.co.kr/2021/10/14/%ec%8b%a0-%ec%9e%ac%ec%83%9d-%eb%b0%9c%ec%a0%84%ec%9d%98-%ec%9e%90%eb%8f%99%ed%99%94-%ec%86%94%eb%a3%a8%ec%85%98-%ec%8b%9c%ec%9e%a5-2021-%eb%b9%84%ec%a6%88%eb%8b%88%ec%8a%a4-%eb%ac%b4%ec%97%ad/ (port 80)