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bitdays.co.kr/2021/07/28/%ed%8a%9c%eb%b8%8c-%ec%b6%a9%ec%a0%84-%eb%b0%8f-%ec%94%b0%eb%a7%81-%ec%9e%a5%eb%b9%84-%ec%8b%9c%ec%9e%a5-%ec%a0%90%ec%9c%a0%ec%9c%a8-%ed%95%b5%ec%8b%ac-%ec%b0%b8%ea%b0%80%ec%9e%90-%eb%b0%8f-%ea%b2%bd/ (port 80)