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  • bitdays.co.kr/2021/02/12/%ec%9d%b4%eb%b2%a4%ed%8a%b8-%ec%8a%a4%ed%8a%b8%eb%a6%bc-%ed%94%84%eb%a1%9c%ec%84%b8%ec%8b%b1-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%a6%ac%ed%8f%ac/ (port 80)