How do I disable the WAN capabilities of an HMI or cMT?

To disable internet access over the HMI’s ethernet port, set the gateway and DNS addresses of the WAN port you want to disable to 0.0.0.0 in the system settings for your device under the Ethernet port Network settings:

Press OK to confirm. Once this is done this port will no longer be able to communicate with the internet and will only be able to communicate with devices on the local network.

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