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  • bitdays.co.kr/2021/09/15/%25EA%25B8%2580%25EB%25A1%259C%25EB%25B2%258C-%25EB%2594%2594%25EC%25A7%2580%25ED%2584%25B8-%25EC%259E%25A5%25EC%25B9%2598-%25EA%25B8%25B0%25EC%2588%25A0-%25EC%258B%259C%25EC%259E%25A5-2021-%25EA%25B5%25AD%25EB%2582%25B4-%25EB%25B0%258F-%25EC%2584%25B8%25EA%25B3%2584-%25EC%258B%259C%25EC%259E%25A5-%25EC%2582%25B0/ (port 80)