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  • bitdays.co.kr/2021/07/16/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ea%b3%84%eb%8b%a8-%eb%a6%ac%ed%94%84%ed%8a%b8-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%b6%84%ec%84%9d-%ec%84%b8%ea%b7%b8%eb%a8%bc%ed%8a%b8-%ea%b2%bd%ec%9f%81/ (port 80)