[Winpcap-users] protocol filtering

Guy Harris guy at alum.mit.edu
Sat Jul 14 18:39:13 GMT 2007


swetha borra wrote:

> when i use winpcap based application i am able to see all the packets. 
> In these packets other than TCP, UDP...my own protocols are there. I 
> want to parse the incoming packet such that i can filter based on my 
> protocol ID...So, problem is in which DLL do i need to implement this.....

Is this WinPcap-based application something you wrote?

And what kind of protocol ID are you talking about?  An Ethernet or PPP 
protocol type?

And by "filter" do you mean you only want to see packets for your own 
protocols or don't want to see packets for your own protocols?


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