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  • bitdays.co.kr/2021/02/25/dc-%ec%97%b0%eb%a3%8c-%ec%9d%b4%ec%86%a1-%ed%8e%8c%ed%94%84-%ec%8b%9c%ec%9e%a5-2021-%ed%81%ac%ea%b8%b0-%ea%b3%b5%ec%9c%a0-%ea%b8%80%eb%a1%9c%eb%b2%8c-%eb%b6%84%ec%84%9d-%ea%b0%9c%eb%b0%9c-%ec%83%81/ (port 80)