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  • bitdays.co.kr/2021/09/07/%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80%ec%9d%98-%ec%b6%95%ec%a0%9c-%ea%b4%80%eb%a6%ac-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ec%8b%9c%ec%9e%a5-2021%ec%9d%98-%ec%b5%9c%ec%8b%a0-%eb%b3%b4/ (port 80)