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  • bitdays.co.kr/2021/05/13/%eb%a7%88%ec%9d%b4%ec%bd%94-%ed%94%8c%eb%9d%bc%ec%a6%88%eb%a7%88-%ed%85%8c%ec%8a%a4%ed%8a%b8-%ed%82%a4%ed%8a%b8-%eb%b0%8f-%ec%8b%9c%ec%95%bd-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%a6%ac%ed%8f%ac/ (port 80)