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  • bitdays.co.kr/2021/07/28/%ec%a0%9c%ec%a1%b0-%ec%97%85%ea%b3%84%ec%9d%98-%ea%b0%80%ec%83%81-%ed%98%84%ec%8b%a4-%ec%8b%9c%ec%9e%a5%ec%9d%80-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ea%b3%b5%ec%9c%a0-%ed%81%ac%ea%b8%b0-%eb%af%b8/ (port 80)