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  • bitdays.co.kr/2021/04/09/%25EA%25B8%2580%25EB%25A1%259C%25EB%25B2%258C-%25EB%25B3%25B5%25EB%258F%2599-%25EA%25B3%25B5%25EC%2595%2595-%25EC%258B%25A4%25EB%25A6%25B0%25EB%258D%2594-%25EC%258B%259C%25EC%259E%25A5-%25ED%2581%25AC%25EA%25B8%25B0-%25EB%25B6%2584%25EC%2584%259D-%25EC%2584%25B8%25EA%25B7%25B8%25EB%25A8%25BC%25ED%258A%25B8-%25EA%25B2%25BD/ (port 80)