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  • bitdays.co.kr/2021/06/15/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%a0%80%ec%9d%8c-%ec%8a%a4%ed%94%bc%ec%bb%a4-%eb%b3%91-%eb%b8%94%eb%a3%a8%ed%88%ac%ec%8a%a4-%ec%8b%9c%ec%9e%a5-%ea%b3%b5%ea%b8%89-%ec%97%85%ec%b2%b4-%eb%b0%8f-%ec%b1%84/ (port 80)