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  • bitdays.co.kr/2021/07/27/%ed%81%ac%ea%b8%b0%ec%97%90-%ec%9d%98%ed%95%b4-%ed%94%bc%ed%94%8c-%ec%b9%b4%ec%9a%b4%ed%8c%85-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ec%8b%9c%ec%9e%a5-2021-%ec%b5%9c%ea%b3%a0-%ea%b5%ad/ (port 80)