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  • bitdays.co.kr/2022/01/10/%EA%B8%80%EB%A1%9C%EB%B2%8C-%EB%AA%A8%EC%85%98-%EC%84%BC%EC%84%9C-%EC%95%8C%EB%9E%8C-%EC%8B%9C%EC%9E%A5-%EB%B6%84%EC%84%9D%ED%95%A8%EC%9C%BC%EB%A1%9C%EC%8D%A8-%ED%81%AC%EA%B8%B0-%EC%84%B8%EA%B7%B8/ (port 80)