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  • bitdays.co.kr/2022/05/19/%ed%83%9c%ec%96%91-%eb%b3%b4%ed%98%b8-%ec%a7%81%eb%ac%bc-%ec%a0%84%eb%ac%b8%ea%b0%80-%ec%8b%9c%ec%9e%a5-%ea%b2%bd%ec%9f%81%eb%a0%a5-%ec%a0%84%eb%9e%b5-%ed%81%ac%ea%b8%b0-%ea%b3%b5%ec%9c%a0-2/ (port 80)