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  • bitdays.co.kr/2021/02/14/%ed%83%84%ec%84%b1-%eb%b6%80%ec%a7%81%ed%8f%ac-%ec%8b%9c%ec%9e%a5-%ed%86%b5%ec%b0%b0%eb%a0%a5-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%81%ac%ea%b8%b0-%eb%af%b8%eb%9e%98-%ec%84%b1%ec%9e%a5-%ec%88%98%ec%9a%94/ (port 80)