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  • bitdays.co.kr/2021/06/11/%25EA%25B4%2580%25EB%25A6%25AC-%25EC%2584%259C%25EB%25B2%2584-%25EC%258B%259C%25EC%259E%25A5%25EC%259D%2580-%25EB%258B%25A4%25EA%25B0%2580%25EC%2598%25A4%25EB%258A%2594-%25EB%258F%2599%25ED%2596%25A5-2021%25EC%2597%2590-%25EB%258C%2580%25ED%2595%259C-%25ED%2586%25B5%25EC%25B0%25B0%25EB%25A0%25A5%25EC%259D%2584/ (port 80)