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  • bitdays.co.kr/2021/04/12/%ed%8f%b4%eb%a6%ac%ec%97%90%ed%8b%b8%eb%a0%8c-%ed%8c%8c%ec%9d%b4%ed%94%84-%eb%9d%bc%ec%9d%b8-%ec%bd%94%ed%8c%85-%ec%8b%9c%ec%9e%a5-%ec%a0%90%ec%9c%a0%ec%9c%a8-2021%ec%97%90%ec%84%9c-2026-%ec%82%ac/ (port 80)