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  • digii.co.kr/2021/10/28/%ec%95%84%ec%9d%b4%ec%8a%a4-%eb%a8%b8%ec%b2%9c%eb%8b%a4%ec%9d%b4%ec%a0%80-%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-%ec%9d%b4%ec%9d%b5/ (port 80)