lua - How to get Protocol column value in Wireshark dissector? -


i have wrote plugin analyze (translate different protocol name) packet in wireshark lua apis. needed analyze packets shows udp or tcp in wireshark. using following code protocol value: pinfo.cols.protocol analyze packets show tcp or udp in protocol column.

sometime retrains value in protocol column (e.g. tcp, ssh, or ...) of time returns "(protocol)".

how can fix it? there way possible can figure out?

thanks


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