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  • bitdays.co.kr/2021/04/05/%eb%9d%bd-%eb%93%9c%eb%a6%b4%eb%a7%81-%ec%a0%90%eb%b3%b4-%ec%8b%9c%ec%9e%a5-%ec%a0%95%ec%83%81-%ed%9a%8c%ec%82%ac-%ed%81%ac%ea%b8%b0-%eb%b6%84%ec%84%9d-%eb%b6%84%ed%95%a0-%ec%82%b0%ec%97%85/ (port 80)