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  • bitdays.co.kr/2021/05/05/%ec%86%8c%ec%9e%a5-%ec%b9%b4%eb%93%9c-%ea%b2%8c%ec%9e%84-%ec%8b%9c%ec%9e%a5-%ec%88%98%ec%9d%b5-%ed%81%ac%ea%b8%b0-%ec%82%b0%ec%97%85-%ed%86%b5%ea%b3%84-%ea%b3%b5%ec%9c%a0-%eb%b6%84%ec%84%9d/ (port 80)