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  • bitdays.co.kr/2021/05/05/%ec%97%94%ed%84%b0%ed%94%84%eb%9d%bc%ec%9d%b4%ec%a6%88-%ec%95%84%ed%82%a4%ed%85%8d%ec%b2%98-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ec%8b%9c%ec%9e%a5-%ec%88%98%ec%9d%b5-%ed%81%ac%ea%b8%b0/ (port 80)