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xiangjian/gist:9364368

Created March 5, 2014 09:55
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port判断
Raw
gistfile1.txt
TCP端口
nc -w 1 127.0.0.1 53 && echo true || echo false
UDP端口:
nc -w 1 -u 127.0.0.1 53 && echo true || echo false
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