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  • bitdays.co.kr/2021/06/16/%eb%b0%95%eb%a7%89-%ec%84%9c%eb%b8%8c-%eb%a7%88%ec%9a%b4%ed%8a%b8-%ec%84%b8%eb%9d%bc%eb%af%b9-%ea%b8%b0%ed%8c%90-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%ea%b8%80%eb%a1%9c%eb%b2%8c-%eb%b6%84%ec%84%9d/ (port 80)