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  • bitdays.co.kr/2021/11/16/%ec%83%81%ec%97%85-%ec%98%a5%ec%88%98%ec%88%98-%ed%94%84%eb%a0%88%ec%8a%a4-%ec%8b%9c%ec%9e%a5-%ea%b7%9c%eb%aa%a8-2021-%ec%a3%bc%ec%9a%94-%ec%a0%9c%ec%a1%b0%ec%97%85%ec%b2%b4-%ec%82%b0%ec%97%85/ (port 80)