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  • bitdays.co.kr/2021/07/22/%25EB%2583%2584%25EC%2583%2588-%25EB%25B0%25A9%25EC%25A7%2580-%25ED%2595%2584%25ED%2584%25B0-%25EC%258B%259C%25EC%259E%25A5-%25EA%25B7%259C%25EB%25AA%25A8-2021-%25EC%2588%2598%25EC%259A%2594-%25EC%2584%25B1%25EC%259E%25A5-%25EB%258F%2599%25EC%259D%25B8-%25EA%25B2%25BD%25EC%259F%2581-%25EB%25B6%2584%25EC%2584%259D/ (port 80)