Wireshark · Ethereal-dev: [Ethereal-dev] RE: Developing Application-layer protocol dissector for X.25

[Durgaprasad SV <Durgaprasad.SV@xxxxxxxxxxx>]

[Durgaprasad SV] 
>> I have a requirement to develop a dissector/plug-in for an
application-layer
>> protocol (proprietory).
>> The transport layer/network layer can be either TCP/IP or X.25.
>> 
>> I could figure out how to develop the dissector in case of transport over
>> TCP/IP.
>> Can some one help me to do this in case of X.25 as transport layer.

[Guy Harris]
>What indicates, in an X.25 call, that your protocol is being used? 
>I.e., is it specified with an X.25 secondary protocol identifier, or
>something else?

[Durgaprasad SV] 
I am not sure, Since I am using a 3rd party socket interface (same vendor
who is providing the  X.25 software) which exposes Socket interface similar
to WinSock library (on Windows).