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  • bitdays.co.kr/2021/08/04/%eb%aa%a8%ec%9d%b4%ec%8a%a4%ec%b2%98%eb%9f%b0-%ed%97%a4%ec%96%b4-%eb%a7%88%ec%8a%a4%ed%81%ac-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c-2021-%ec%a0%90%ec%9c%a0%ec%9c%a8-%ea%b7%9c%eb%aa%a8/ (port 80)