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  • bitdays.co.kr/2021/07/22/%25EC%2584%25B8%25EA%25B3%2584-%25EB%258B%25AC%25ED%258C%25BD%25EC%259D%25B4-%25EB%25AF%25B8%25EC%259A%25A9-%25EC%25A0%259C%25ED%2592%2588-%25EC%258B%259C%25EC%259E%25A5-2021-2025-%25EB%2585%2584-%25EC%25B5%259C%25EA%25B3%25A0-%25EA%25B5%25AD%25EA%25B0%2580-%25EB%258D%25B0%25EC%259D%25B4%25ED%2584%25B0-%25EC%2582%25B0/ (port 80)