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Revision 2
Stevod's avatar
1
Stevod
updated 2017-11-22 20:59:04 +0000

Problem resolved: 1. There's a bug in the LUA script that causes it to fail, which I have fixed. 2. The script is written to sniff for traffic over UDP, whereas I am using it to sniff over TCP. Hence I changed the script to reflect that.

Revision 1
Stevod's avatar
1
Stevod
answered 2017-11-22 20:57:09 +0000

Problem resolved: 1. There's a bug in the LUA script mavlink.lua dissector that causes it to fail, which I have fixed. due to the unknownFrameBeginOffset variable not being initialised. Just add "unknownFrameBeginOffset=0" to the start of the script to fix it. 2. The script is written to sniff for traffic MAVLINK over UDP, whereas I am using it to sniff MAVLINK over TCP. Hence I changed the script reference to reflect that."UDP_DISSECTOR" to read:

local tcp_dissector_table = DissectorTable.get("tcp.port") tcp_dissector_table:add(14550, mavlink_proto)