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  • bitdays.co.kr/2021/04/29/%ec%82%b0%ec%97%85-%eb%a6%ac%ed%94%84%ed%8c%85-%ec%9e%a5%eb%b9%84-%ec%8b%9c%ec%9e%a5-%eb%b6%88%eb%a0%80%ea%b3%a0-%ea%b2%ac%ea%b3%a0%ed%95%98%ea%b2%8c-%ed%99%95%ec%9e%a5-%eb%b6%84%eb%a5%98-%ec%9d%91/ (port 80)