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  • bitdays.co.kr/2021/11/20/%ec%a7%80%eb%8a%a5%ed%98%95-%ed%94%84%eb%a1%9c%ec%84%b8%ec%8a%a4-%ec%9e%90%eb%8f%99%ed%99%94-ipa-%ec%8b%9c%ec%9e%a5-%eb%b6%84%ec%84%9d-2021-%ec%82%b0%ec%97%85-%eb%8f%99%ed%96%a5-%ec%88%98-2/ (port 80)