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  • bitdays.co.kr/2021/02/16/%ec%9e%91%ec%9d%80-%eb%b0%94%eb%b2%a0%ed%81%90-%ec%98%a4%eb%b8%90-%ed%8c%90%eb%a7%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/ (port 80)