How winPKFilter capture packets in a gateway???

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  • June 28, 2007 at 4:19 am #5113
    Mona
    Participant

      Hi

      I have a question:

      If the WinPKFilter installed in a gateway can it capture the packets that send to another destination IP address not of the gateway itself (if can tell me how can I do this by providing me with some code samples) or it can only capture the packets that send with destination IP address of the gateway only.

      Thanks in advance

      June 28, 2007 at 7:59 am #6348
      Vadim Smirnov
      Keymaster

        If the WinPKFilter installed in a gateway can it capture the packets that send to another destination IP address not of the gateway itself (if can tell me how can I do this by providing me with some code samples) or it can only capture the packets that send with destination IP address of the gateway only.

        Routed packets (destined to systems different from the Gateway) are also captured. Actually they are captured twice, when received on one network interface and when forwarded to another one.

        June 28, 2007 at 8:57 am #6349
        Mona
        Participant

          @SerpentFly wrote:

          If the WinPKFilter installed in a gateway can it capture the packets that send to another destination IP address not of the gateway itself (if can tell me how can I do this by providing me with some code samples) or it can only capture the packets that send with destination IP address of the gateway only.

          Routed packets (destined to systems different from the Gateway) are also captured. Actually they are captured twice, when received on one network interface and when forwarded to another one.

          I have set the mode of capturing as follows:

          ADAPTER_MODE Mode;
          Mode.dwFlags = MSTCP_FLAG_RECV_TUNNEL

          is that correct???

          June 28, 2007 at 11:58 am #6350
          Vadim Smirnov
          Keymaster

            have set the mode of capturing as follows:

            ADAPTER_MODE Mode;
            Mode.dwFlags = MSTCP_FLAG_RECV_TUNNEL

            is that correct??

            This will allow you to pre-process all packets received by your system, if this is what you intended to do then this is correct.

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