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  • bitdays.co.kr/2021/07/17/%eb%b9%84%ed%83%80%eb%af%bc-%ec%98%88%eb%b9%84-%eb%b0%b0%ed%95%a9%eb%ac%bc-%ec%8b%9c%ec%9e%a5-%ec%a0%90%ec%9c%a0%ec%9c%a8-%ed%95%b5%ec%8b%ac-%ec%b0%b8%ea%b0%80%ec%9e%90-%eb%b0%8f-%ea%b2%bd%ec%9f%81/ (port 80)