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  • bitdays.co.kr/2021/09/13/%ec%84%9c%eb%b9%84%ec%8a%a4%eb%a1%9c-%ec%a7%80%eb%b6%88-paas%eb%a5%bc-%ec%8b%9c%ec%9e%a5-2021-2025-%ed%94%84%eb%a1%9c%eb%aa%a8%ec%85%98-%eb%b0%8f-%eb%a7%88%ec%bc%80%ed%8c%85-%ec%9d%b4%eb%8b%88/ (port 80)