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  • bitdays.co.kr/2021/02/25/%ec%84%b1%ec%9d%b8-%ec%9d%91%ea%b8%89-%ec%9e%90%ea%b6%81-%ea%b2%bd%eb%b6%80-%ec%b9%bc%eb%9d%bc-%ed%8c%90%eb%a7%a4-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%b6%84%ed%95%a0-%ec%97%b0%ea%b5%ac/ (port 80)