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  • bitdays.co.kr/2021/09/15/%25EC%258B%259C%25EC%2584%25A4-%25EA%25B4%2580%25EB%25A6%25AC-%25EC%258B%259C%25EC%259E%25A5-2021-%25EA%25B8%2580%25EB%25A1%259C%25EB%25B2%258C-%25EC%25A0%2590%25EC%259C%25A0%25EC%259C%25A8-%25EC%25B5%259C%25EA%25B3%25A0-%25EC%25A0%259C%25EC%25A1%25B0-%25EC%2597%2585%25EC%25B2%25B4-%25EC%258B%259C%25EC%2584%25A4/ (port 80)