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  • bitdays.co.kr/2021/02/15/%ec%88%9c%ed%99%98-%ec%8b%9d-%ec%95%95%eb%a0%a5%ea%b3%84-%ec%8b%9c%ec%9e%a5-2021-%ea%b3%b5%ec%9c%a0-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%81%ac%ea%b8%b0-%ec%a7%80%ec%97%ad-%eb%8f%99%ed%96%a5-%eb%af%b8-2/ (port 80)