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  • bitdays.co.kr/2021/07/22/%ec%9d%b4%ec%8b%9d-%ea%b0%80%eb%8a%a5%ed%95%9c-%eb%a3%a8%ed%94%84-%eb%a0%88%ec%bd%94%eb%8d%94-%ec%8b%9c%ec%9e%a5-%ed%86%b5%ec%b0%b0%eb%a0%a5-%ea%b8%b8%ec%9d%b4-%eb%af%b8%eb%9e%98-%ec%a6%9d%ea%b0%80/ (port 80)