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  • bitdays.co.kr/2021/09/17/%ec%9b%90%ec%9e%90-%eb%a0%88%ec%9d%b4%ec%96%b4-%ec%97%90%ec%b9%ad-%ec%8b%9c%ec%8a%a4%ed%85%9c-%ec%8b%9c%ec%9e%a5-%ec%a1%b0%ec%82%ac-%eb%b3%b4%ea%b3%a0%ec%84%9c-2021-%ec%9c%a0%ed%98%95-%eb%b0%8f/ (port 80)