IANA (因特网编号管理局)定义了TCP和UDP端口的分配。当使用防火墙时您必须使能表中指定的所有端口。此表在手册的 "Readme > WinCC Professional > Security information > Network settings"的路径下 链接到安全信息WinCC Professional V14
且在手册的以下路径 "Readme > WinCC Comfort/Advanced > Security information > Network settings"
链接到安全信息WinCC Comfort/Advanced V14
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