[Dominique bastien <ip6helper@xxxxxxxxx>]

It's when you register your protocol, for instance if you have a protocol on port TCP 1200 :

 

dissector_add("tcp.port", 1200, my_protocol_handle);

 

pradan h <pradan1@xxxxxxxxxxx> wrote:

Hello,

 

I have two questions.

1. How does ethereal detect which protocol dissector to call when it encounters a packet?

2. How do you make ethereal call a protocol dissector when the protocol packet is hidden inside another protocol

i.e FRAME(HEADER(IP PACKET HEADER(TCP PACKET HEADER(XXX PACKET HEADER(DATA))))), If we have to write a protocol dissector which has to dissect the XXX packet what needs to be done.

 

Thanks and best regards,

Pradan.

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