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  • digii.co.kr/2021/10/28/%ea%b0%80%ec%a0%95%ec%9a%a9-%ec%b4%88%ec%9d%8c%ed%8c%8c-%ea%b0%80%ec%8a%b5%ea%b8%b0-%ec%8b%9c%ec%9e%a5-%eb%af%b8%eb%9e%98-%ea%b0%9c%eb%b0%9c-%ec%a3%bc%ec%9a%94-%ea%b8%b0%ec%97%85-%ec%82%b0%ec%97%85/ (port 80)