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  • bitdays.co.kr/2021/02/24/%ec%9d%98%eb%a3%8c-%ec%98%81%ec%83%81-%ec%9e%a5%eb%b9%84-%ed%8c%90%eb%a7%a4-%ec%8b%9c%ec%9e%a5-%ec%a0%90%ec%9c%a0%ec%9c%a8-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%8a%b8%eb%a0%8c%eb%93%9c-%eb%b6%84/ (port 80)