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  • bitdays.co.kr/2021/04/09/2021-%25EC%2597%2590%25EB%25A5%25B4%25EA%25B3%25A0-%25ED%2583%2580%25EB%25AF%25BC-%25EC%258B%259C%25EC%259E%25A5-%25EB%258F%2599%25ED%2596%25A5-%25EC%2596%25B4%25EB%2596%25BB%25EA%25B2%258C-%25EB%258B%25A4%25EA%25B0%2580%25EC%2598%25A4%25EB%258A%2594-%25EB%2585%2584-%25EB%25A7%258C%25EC%2597%2590-%25EC%2582%25B0/ (port 80)