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  • bitdays.co.kr/2021/07/22/%ec%a0%84%ea%b8%b0-%ec%9e%90%eb%8f%99%ec%b0%a8-%eb%b0%b0%ed%84%b0%eb%a6%ac-%ed%8c%a9-%ec%a7%80%ec%97%ad-%ed%86%b5%ea%b3%84-%ea%b0%9c%ec%84%a0-%ec%a1%b0%ec%82%ac%eb%a5%bc-%ec%9d%b4%ec%9a%a9%ed%95%98/ (port 80)