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  • bitdays.co.kr/2021/07/22/%25EC%25B9%25A8%25EC%258B%25A4-%25EC%25BA%2590%25EB%25B9%2584%25EB%258B%259B-%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-%25EB%25B0%258F/ (port 80)