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  • digii.co.kr/2021/10/25/%ec%9e%90%eb%8f%99%ec%b0%a8-%ec%a0%9c%ec%a1%b0-%ec%a0%95%ec%a7%80-%eb%b0%9c%ec%a0%84%ea%b8%b0-%ec%8b%9c%ec%9e%a5-2021-%eb%b9%84%ec%a6%88%eb%8b%88%ec%8a%a4-%eb%ac%b4%ec%97%ad-%ec%88%98%ec%9d%b5/ (port 80)