extracting TCP header

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  • December 24, 2005 at 8:58 pm #4969
    dalgin
    Participant

      how can I extract TCP header?

      what is the offset in the buffer for the tcp header?

      December 25, 2005 at 12:23 pm #5867
      Vadim Smirnov
      Keymaster

        pIpHeader = (iphdr_ptr)(pPacketBuffer->m_IBuffer + ETHER_HEADER_LENGTH);
        pTcpHeader = (tcphdr_ptr)(((PUCHAR)pIpHeader) + sizeof(DWORD)*pIpHeader->ip_hl);

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