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  • bitdays.co.kr/2021/03/15/%ec%8a%a4%ed%83%a0%eb%93%9c-%ec%98%a8-%eb%9d%bc%ec%9d%b4%eb%93%9c-%ec%98%a8-%ec%84%b8%eb%af%b8-%ea%b1%b4%ec%a1%b0%ea%b8%b0-%ec%8b%9c%ec%9e%a5-2021-%ec%a4%91%ec%9a%94%ed%95%9c-%ec%84%a0%ec%88%98/ (port 80)