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  • bitdays.co.kr/2021/06/16/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%8f%bc-%eb%a7%a4%ed%8a%b8%eb%a6%ac%ec%8a%a4-%ec%8b%9c%ec%9e%a5-%ec%84%b1%ec%9e%a5-%ec%9c%a0%ed%98%95-%ea%b2%bd%ec%9f%81%ec%a0%81%ec%9d%b8-%ec%a1%b0%ea%b2%bd-%ec%83%81/ (port 80)