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  • bitdays.co.kr/2021/05/13/%ec%a7%81%ea%b5%90-%ed%97%ac%eb%a6%ac%ec%bb%ac-%ea%b8%b0%ec%96%b4-%ea%b0%90%ec%86%8d%ea%b8%b0-%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/ (port 80)