查看端口通不通
端口号有tcp协议和udp协议之分
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tcp协议查询方式:
Windows+R输入cmd 运行 输入:telnet 10.50.115.157 8080
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udp协议查询方式:
Windows+R输入cmd 运行 输入:nc –uz 10.50.115.157 8080
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详见:https://jingyan.baidu.com/article/d169e1864b484f436611d8bf.html
windows常用命令:https://www.cnblogs.com/hezhao/p/7390197.html
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