Vadim Smirnov

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  • in reply to: Which process sent the UDP packet? #11031
    Vadim Smirnov
    Keymaster

      You can use GetExtendedUdpTable to find the dwLocalAddr:dwLocalPort to dwOwningPid association and then if necessary call GetOwnerModuleFromUdpEntry with TCPIP_OWNER_MODULE_INFO_BASIC to obtain pModuleName and pModulePath.

      in reply to: msi installer 3.2.18.1 x64 on WIN 8.1 #11025
      Vadim Smirnov
      Keymaster

        Installers were fixed for Windows 8.1

        in reply to: msi installer 3.2.18.1 x64 on WIN 8.1 #11022
        Vadim Smirnov
        Keymaster

          Thanks for reporting this. Difficult to say before testing but probably it is somehow related to detected Windows version…

          Update: from what I can see installer installs the wrong driver version on Windows 8.1. Instead installing Windows 8 driver it installs Windows 10 driver. This behavior is caused by that fact that both Windows 8.1 and Windows 10 have VersionNT value set to 603 and this requires a sort of workaround:

          https://support.microsoft.com/en-ie/help/3202260/versionnt-value-for-windows-10-and-windows-server-2016

          in reply to: Clone of ETH_REQUEST #10981
          Vadim Smirnov
          Keymaster

            For C# (and other .NET languages) it is recommended to use .NET C++/CLI class library (source code available on GitHub).

            The TestDotNet project (more advanced version of PassThru) demonstrates the usage of the above-mentioned class library.

            in reply to: WinpkFilter news/updates. #10660
            Vadim Smirnov
            Keymaster

              WinpkFilter 3.2.18.1 update:

              • Fixed Receive Segment Coalescing (RSC) task offload issue for wireless WDI drivers (could cause packet loss and performance degradation for some network interfaces)
              • Driver signature updated (could cause installation problems on Enterprise and Server editions)

              If you are eligible for a free update, please send the following details to support@ntkernel.com tо receive an update instruction:

              Your order ID.
              An approximate date of purchasing.

              in reply to: VirtNet does not install on Windows 10 version 1809 x64 #10642
              Vadim Smirnov
              Keymaster

                Is it possible to drop limitation #3, so we can use any mac address.

                Yes, sure, it is possible. I also wanted to make few more adjustments to this new driver. Will add it this to the list.

                in reply to: VirtNet does not install on Windows 10 version 1809 x64 #10640
                Vadim Smirnov
                Keymaster

                  Always glad to help 🙂

                  in reply to: VirtNet does not install on Windows 10 version 1809 x64 #10638
                  Vadim Smirnov
                  Keymaster

                    You have not paid enough attention to my previous post mentioning locally administered MAC address requirement. You can read a little more on this here. In you case addr[0] = 0x74 and it does not meet the condition to be locally administered MAC address. You can use 0x72, 0x76, 0x7A or 0x7E instead.

                    in reply to: VirtNet does not install on Windows 10 version 1809 x64 #10633
                    Vadim Smirnov
                    Keymaster

                      OK, I have added NetworkAddress property. You can download the updated driver using the same link

                      Though please note that in this build assigning the network adapter hardware address has a few limitations:

                      1) It should not be multicast address (addr[0] & 0x01 == 0)
                      2) It should not be broadcast address (FF-FF-FF-FF-FF-FF)
                      3) It should be marked as assigned by the local administrator (addr[0] & 0x2 == 1)

                      Example of valid address is 06-01-02-03-04-05

                      in reply to: VirtNet does not install on Windows 10 version 1809 x64 #10630
                      Vadim Smirnov
                      Keymaster

                        I’ve created a quick NDIS 6.0 replacement for the original VirtNet driver. You can download it from here. Let me know how it worked for you…

                        in reply to: VirtNet does not install on Windows 10 version 1809 x64 #10629
                        Vadim Smirnov
                        Keymaster

                          I have devoted some time over the weekend to this issue, but I still don’t have a good idea what was changed by an update and how to fix this. It is definitely not about driver signing because that phase is passed fine. And setupapi.dev.log does not contain any helpful information:

                          >>>  [Device Install (DiInstallDevice) - ROOT\NET\0000]
                          >>>  Section start 2019/02/04 11:53:39.838
                                cmd: "C:\Windows\system32\mmc.exe" C:\Windows\system32\devmgmt.msc
                               ndv: Flags: 0x00000004
                               dvi: {Plug and Play Service: Device Install for ROOT\NET\0000}
                          !    dvi:      Installing NULL driver!
                               dvi:      {DIF_ALLOW_INSTALL} 11:53:39.858
                               dvi:           Default installer: Enter 11:53:39.858
                               dvi:           Default installer: Exit
                               dvi:      {DIF_ALLOW_INSTALL - exit(0xe000020e)} 11:53:39.862
                               dvi:      {DIF_REGISTER_COINSTALLERS} 11:53:39.862
                               dvi:           Default installer: Enter 11:53:39.862
                               dvi:           Default installer: Exit
                               dvi:      {DIF_REGISTER_COINSTALLERS - exit(0x00000000)} 11:53:39.866
                               dvi:      {DIF_INSTALLDEVICE} 11:53:39.866
                               dvi:           Default installer: Enter 11:53:39.866
                          !    dvi:                Installing NULL driver!
                               dvi:                Install Null Driver: Removing device sub-tree. 11:53:39.870
                               dvi:                Install Null Driver: Removing device sub-tree completed. 11:53:39.874
                               dvi:                Install Null Driver: Restarting device. 11:53:39.878
                               dvi:                Install Null Driver: Restarting device completed. 11:53:39.882
                               dvi:                Install Device: Configuring device class. 11:53:39.882
                               dvi:                Install Device: Configuring device class completed. 11:53:39.882
                               dvi:                Device Status: 0x01802401, Problem: 0x1c (0x00000000)
                               dvi:                Install Device: Starting device 'ROOT\NET\0000'. 11:53:39.886
                               dvi:                Install Device: Starting device completed. 11:53:39.894
                               dvi:           Default installer: Exit
                               dvi:      {DIF_INSTALLDEVICE - exit(0x00000000)} 11:53:39.898
                               ump: {Plug and Play Service: Device Install exit(00000000)}
                          <<<  Section end 2019/02/04 11:53:39.910
                          <<<  [Exit status: SUCCESS]
                          
                          >>>  [Delete Device - ROOT\NET\0000]
                          >>>  Section start 2019/02/04 11:59:51.125
                                cmd: "C:\Windows\system32\mmc.exe" C:\Windows\system32\devmgmt.msc
                               dvi: Query-and-Remove succeeded
                          <<<  Section end 2019/02/04 11:59:51.133
                          <<<  [Exit status: SUCCESS]

                          Mentioned Problem: 0x1c is CM_PROB_FAILED_INSTALL for which I could find anything helpful besides https://docs.microsoft.com/en-us/windows-hardware/drivers/install/cm-prob-failed-install

                          The only solution I can see so far would be creating a new NDIS 6 virtual network adapter driver…

                          in reply to: VirtNet does not install on Windows 10 version 1809 x64 #10622
                          Vadim Smirnov
                          Keymaster

                            Small update:

                            Signing VirtNet driver with EV certificate did not help, installation fails with the same error. So it looks that the problem is not related to driver signing and there is another reason for this. Right now it is difficult to say what has changed in 1809, may be Microsoft by chance or by purpose has dropped the support of the legacy versions of NDIS. I hope NDIS 6.0 version of VirtNet may help here…

                            in reply to: VirtNet does not install on Windows 10 version 1809 x64 #10619
                            Vadim Smirnov
                            Keymaster

                              I’ve installed and tested 1809 during the weekend and I confirm that the problem exists. Probably it is related to driver signing policy changes or another possibility is legacy NDIS versions support (for compatibility across all Windows versions VirtNet followed NDIS 3.0 specification). But no worries, I’ll prepare the new build when have some spare time over the next week.

                              in reply to: VirtNet does not install on Windows 10 version 1809 x64 #10617
                              Vadim Smirnov
                              Keymaster

                                Thank you for the information. I suspect this is related to the driver signing policy in 1809 update. I will check, probably needed to sign the driver with EV certificate.

                                in reply to: Two apps with the same driver #10610
                                Vadim Smirnov
                                Keymaster

                                  It is possible for two applications to use the driver if they filter over different network adapters. Otherwise they may conflict.

                                  However, please note that file handle is normally valid inside the process and can’t be passed outside as it is, unless it is inherited by child process or duplicated (DuplicateHandle). Besides this, please note that handle returned by OpenFilterDriver is a pointer to in-process memory object and can’t be passed by inheritance or duplication.

                                Viewing 15 posts - 541 through 555 (of 1,486 total)