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  • bitdays.co.kr/2021/10/14/%25EB%25A7%259E%25EB%258C%2580%25EA%25B8%25B0-%25EC%259A%25A9%25EC%25A0%2591-%25ED%2594%25BC%25ED%258C%2585-%25EC%258B%259C%25EC%259E%25A5-%25EB%25B3%25B4%25EA%25B3%25A0%25EC%2584%259C-2021-%25EC%2582%25B0%25EC%2597%2585-%25EC%2597%25B0%25EA%25B5%25AC-%25EC%2597%2585%25EB%258D%25B0%25EC%259D%25B4%25ED%258A%25B8/ (port 80)