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  • bitdays.co.kr/2021/02/23/%ea%b0%80%ec%a0%95%ec%9a%a9-%eb%a7%a5%ec%a3%bc-%ec%96%91%ec%a1%b0-%ea%b8%b0%ea%b3%84-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c-%ed%81%ac%ea%b8%b0-%ec%84%b1%ec%9e%a5-%ec%88%98%ec%9a%94/ (port 80)