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  • bitdays.co.kr/2021/11/15/%ec%88%98%ec%a7%81-%eb%a7%88%ea%b0%9c%ec%9e%88%eb%8a%94-%ec%9c%a0%eb%a6%ac-%eb%b3%91-%ec%9b%90%ec%8b%ac-%eb%b6%84%eb%a6%ac%ea%b8%b0-%ec%8b%9c%ec%9e%a5-%eb%b6%84%ec%84%9d-2021-%ec%82%b0%ec%97%85/ (port 80)