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  • bitdays.co.kr/2021/02/24/%ec%a0%84%ec%9e%90-%ea%b8%b0%ea%b8%b0%ec%97%90-%ec%84%b8%eb%9d%bc%eb%af%b9-%ec%95%88%ed%85%8c%eb%82%98-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%8f%99%ed%96%a5-%ec%a7%80%ec%97%ad-%ed%95%b5%ec%8b%ac/ (port 80)