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If the value in the field of length in MBAP header is invalid/inconsistent with the following bytes (PDU length), e.g, larger than the specification limit, what does Modbus Organization officially provide?
How will the Modbus/TCP slave handle the message? Reject it? Will you answer with the exception or something else? Couldn't find the answer in http://www.modbus.org/specs.php
How will the Modbus/TCP slave handle the message? Reject it? Will you answer with the exception or something else? Couldn't find the answer in http://www.modbus.org/specs.php