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  • bitdays.co.kr/2021/05/14/%ec%8b%9d%eb%ac%bc%ec%84%b1-%ea%b8%b0%eb%a6%84-%ec%9a%94%eb%a6%ac-%ec%8b%9c%ec%9e%a5-%ec%a0%84%eb%a7%9d-2021-%ea%b0%80%ea%b2%a9-%ec%a0%84%eb%9e%b5-%ec%82%b0%ec%97%85-%ec%b5%9c%ec%8b%a0-%eb%89%b4/ (port 80)