Reply To: Problem On Filter (Delphi)

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Vadim Smirnov

Hmm, I’m not sure that I understand what you have really implemented. Do you use WinpkFilter and Windows Sockets in the same application? If yes then probably your application design has got a synchronization problem (if socket and winpkfilter are used in the same single thread an example).

The general operation flow looks like the following:

Data sent to socket -> Data intercepted by WinpkFilter -> Data indicated back to application -> Application processes and returns data to the stack -> Socket send operation completed