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  • bitdays.co.kr/2021/05/05/%ec%a7%84%ed%86%b5%ec%a0%9c-%ec%a3%bc%ec%9e%85-%ed%8e%8c%ed%94%84-%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)