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  • bitdays.co.kr/2021/10/20/%eb%82%b4%ec%9e%a5-%eb%90%9c-%ec%99%80%ec%9d%b8-%ec%bf%a8%eb%9f%ac-%ec%8b%9c%ec%9e%a5-%eb%b3%91%ed%95%a9-%eb%8f%99%ed%96%a5-%ec%82%b0%ec%97%85-%eb%b6%84%ec%84%9d-%ec%a3%bc%ec%9a%94-%ec%97%85/ (port 80)