The Wireshark will not identify your dissector.
Basically lets assume your protocol dissector runs under TCP then , if you have
heuristically registered
Your dissector with the ffunction
heur_dissector_add("tcp", dissect_your_protocol_tcp, proto_your
protocolrefernce);
________________________________
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tom Stevens
Sent: Wednesday, August 27, 2008 2:57 PM
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] heuristic Dissector vs. normal dissector
Thanks for the information!
But, without a Port number, how can wireshark find (identify) the correct
dissector for the incoming packets. What are specific criteria? Maybe you can
give me an example. I'm a bit slow on the uptake at the moment.
Greetings Tom (Germany)
2008/8/27 Kumar, Hemant <[EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]>>
Basically Heuristic Dissector means that your dissector will accept all the
Traffic Packets and will not segregate based on port number.
So to identify your own custom dissector protocol messages you have to separate
out the packets based on certain criteria specific to your
Protocol.
And a normal dissector is registered with the Wireshark based on port
information which tells the Wireshark on which port your message is
Going to be exchanges.
I hope it clarifies.
Hemant.
________________________________
From: [EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]> [mailto:[EMAIL
PROTECTED]<mailto:[EMAIL PROTECTED]>] On Behalf Of Tom Stevens
Sent: Wednesday, August 27, 2008 2:24 PM
To: [email protected]<mailto:[email protected]>
Subject: [Wireshark-dev] heuristic Dissector vs. normal dissector
Hi!
What are the differences between a heuristic dissector and a normal dissector.
So far i have not considered heuristic dissectors, because I did not know what
they are and how to use them.
Maybe you can help!
Thanks in advance Tom (Germany)
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