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  • bitdays.co.kr/2021/03/03/%ec%a7%80%ea%b5%ac-%ed%99%94%ed%95%99%ec%a0%81-%ec%84%9c%eb%b9%84%ec%8a%a4-%ec%86%94%eb%a3%a8%ec%85%98-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%b6%84%ed%95%a0-%ec%97%b0%ea%b5%ac-%eb%b6%84%ec%84%9d/ (port 80)