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  • bitdays.co.kr/2021/02/24/%ec%86%8c%ed%94%84%ed%8a%b8-%ec%a0%a4%eb%9d%bc%ed%8b%b4-%ec%ba%a1%ec%8a%90-%ec%8b%9c%ec%9e%a5-%ec%a0%84%eb%a7%9d-2025%ec%97%90-2021-%eb%85%84-%ed%81%ac%eb%a1%9c%ec%8a%a4-xx%ec%97%90-xx-%ec%88%98/ (port 80)