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  • bitdays.co.kr/2021/09/10/%ed%94%84%eb%a6%ac%eb%af%b8%ec%97%84-%ed%83%80%ec%9d%b4%ec%96%b4-oe-%eb%b0%8f-%ea%b5%90%ec%b2%b4-%ec%8b%9c%ec%9e%a5-2021-%ec%a3%bc%ec%9a%94-%ec%84%a0%ec%88%98-%ec%8b%9c%ec%9e%a5-%ea%b2%bd%ec%9f%81/ (port 80)