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QUdpSocket on MacOs

General and Desktop

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A Former User

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A Former User

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In case the firewall is really off, the packet should arrive at the Mac. Did you bind the udp socket to an address an port?
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A Former User

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If I understand correctly, the microcontroller is connected to the Mac via network. If you send to host address 127.0.0.1, the packet will never leave the microcontroller, as that is the local loopback address.
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