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Jaap's avatar
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Jaap
answered 2023-05-08 05:35:18 +0000

When looking at the dissector, any UDP packet on port 8611-8614 which has a printable character at the start is considered a Canon BJNP packet. Also the services file identifies these ports as used for Canon BJNP. However, these are not reserved ports, so it's not inconceivable that another use is made of these ports, with another protocol. That is what seems to be the case here.