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  • bitdays.co.kr/2021/10/14/4g-%25EB%25A1%25A4%25EC%2595%2584%25EC%259B%2583-%25EB%25B0%258F-%25EA%25B0%2580%25EC%2583%2581-%25EA%25B3%25A0%25EC%25A0%2595-%25EB%259D%25BC%25EC%259D%25B4%25EC%2584%25BC%25EC%258A%25A4%25EC%259D%2598-%25EB%25B0%259C%25EA%25B8%2589-%25EC%258B%259C%25EC%259E%25A5-2021-%25EB%25B9%2584%25EC%25A6%2588%25EB%258B%2588/ (port 80)