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  • bitdays.co.kr/2021/09/08/%ec%9e%90%eb%8f%99%ec%b0%a8-%ec%95%85%ea%b8%b0-%ed%81%b4%eb%9f%ac%ec%8a%a4%ed%84%b0-%ed%94%8c%eb%9e%ab%ed%8f%bc-%ec%8b%9c%ec%9e%a5-2021-%ec%88%98%ec%9a%94-%ec%a6%9d%ea%b0%80-%eb%b0%8f-%ea%b8%b0/ (port 80)