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  • bitdays.co.kr/2021/06/11/%ec%9e%85%ec%9e%90-%ed%81%ac%ea%b8%b0-%eb%b6%84%ec%84%9d-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%b6%84%ec%84%9d-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80-%ec%8b%ac%ec%b8%b5-%ec%97%b0%ea%b5%ac/ (port 80)