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  • bitdays.co.kr/2021/03/27/%ed%83%84%ec%86%8c-%ec%9d%b4%ed%99%a9%ed%99%94-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%ea%b3%b5%ec%9c%a0-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%82%b0%ec%97%85-%eb%8f%99%ed%96%a5-%ed%8c%90%eb%a7%a4/ (port 80)