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  • digii.co.kr/2021/10/25/%ea%b4%91%ed%95%99-%ea%b0%90%ec%a7%80-%ec%9e%a5%ec%b9%98-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%b6%84%ec%84%9d%ec%97%90-%ec%9d%98%ed%95%b4-%ed%98%84%ec%9e%ac-%ec%82%b0%ec%97%85-%ed%98%84%ed%99%a9/ (port 80)