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  • bitdays.co.kr/2021/02/18/%ed%95%b4%ec%a0%80-%eb%a7%a4%ed%95%91-%ec%8b%9c%ec%8a%a4%ed%85%9c-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-2021-%ea%b0%9c%eb%b0%9c-%eb%8f%99%ed%96%a5-%eb%b9%84%ec%a6%88%eb%8b%88%ec%8a%a4-%ec%88%98/ (port 80)