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  • bitdays.co.kr/2021/06/11/%ec%a4%91%ea%b3%b5%ec%97%85-%eb%b0%8f-%ed%86%a0%eb%aa%a9-%ea%b1%b4%ec%84%a4-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%a6%ac%ed%8f%ac%ed%8a%b8-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80-%ec%97%b0%ea%b5%ac/ (port 80)