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Jan 15, 2013 at 6:58 AM
Edited Jan 16, 2013 at 7:21 AM

Hi, i want to filter by spesific protocols our network. How can i do this?

Jan 18, 2013 at 5:37 PM

Can you be more specific?

In general, you can use BPF to filter packets.

Jan 18, 2013 at 9:28 PM

yes, now I want to filter our network traffic for SMPP, I'm doing research this for two days but I can not find anything about it.

Jan 19, 2013 at 7:47 AM

Can you give some pcap file example?

I don't know SMPP so well, if it is on specific ports, for example, you can just filter these ports.

Jan 19, 2013 at 3:59 PM 

SMPP pcap file example is here, and SMPP dont have spesific ports so i cant filter ports.

Jan 24, 2013 at 7:53 PM

It seems that SMPP is recognized by a specified port (even if it's not globally known).


As it says in the Wireshark page:

You cannot directly filter SMPP protocols while capturing. However, if you know the TCP port used (see above), you can filter on that one.


I don't know this protocol well, if you know it better and know how to recognize whether a packet is SMPP or not, we can figure out how to do it in Pcap.Net.

I don't know how Wireshark filters SMPP in the display filter, maybe you can find out how Wireshark does it.