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  • bitdays.co.kr/2021/02/23/%25EA%25B2%25BD%25EC%2582%25AC%25EA%25B3%2584-%25EC%2584%25BC%25EC%2584%259C-%25EC%258B%259C%25EC%259E%25A5-2021-%25EB%25B9%2584%25EC%25A6%2588%25EB%258B%2588%25EC%258A%25A4%25EC%259D%2598-%25ED%2581%25AC%25EA%25B8%25B0-%25EA%25B3%25B5%25EC%259C%25A0-%25EA%25B8%25B0%25ED%259A%258C-%25EB%25AF%25B8%25EB%259E%2598/ (port 80)