WinDivert

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WinDivert: Windows Packet Divert

Windows Packet Divert (WinDivert) is a user-mode packet capture-and-divert package for Windows 2008, Windows 7, Windows 8, Windows 10 and Windows 2016.

WinDivert allows user-mode applications to capture/modify/drop network packets sent to/from the Windows network stack. In summary, WinDivert can:

  • capture network packets
  • filter/drop network packets
  • sniff network packets
  • (re)inject network packets
  • modify network packets

WinDivert can be used to implement user-mode packet filters, packet sniffers, firewalls, NAT, VPNs, tunneling applications, etc.

The main features of WinDivert include:

  • packet interception, sniffing, or dropping modes
  • supports loopback (localhost) traffic
  • full IPv6 support
  • network layer
  • simple yet powerful API
  • high-level filtering language
  • filter priorities
  • silent installation
  • freely available under the terms of the GNU Lesser General Public License (LGPL)

➢ Documentation and Samples

➢ Source Repository

The source code for WinDivert is hosted on GitHub:

Note that the repository version of WinDivert should generally be considered unstable.

➢ Download

The following source packages for WinDivert are available:

The following binary packages for WinDivert are available.

NOTES:

  1. The WinDivert A/B/C variants are identical except for the driver signature. For most applications it does not matter which variant is used.
  2. We would like to thank our sponsors who helped sign the drivers: Commercial users of WinDivert ought to sign the driver with their own certificate if possible.
  3. The WinDivert 1.4.X and 2.0.X APIs are different, so please consult the documentation. The newer 2.0.X API offers several new features over the older 1.4.X API, including new layers, process IDs, filter language extensions, batch mode, and reflection capabilities. The older 1.4.X API will eventually be retired.
  4. To use WinDivert please ensure that the application has Administrator privileges, else the WinDivert will fail to load.
  5. The current driver signature(s) have some caveats:
    • Windows 7 systems must be up-to-date or at least have KB3033929 installed.
    • Windows Server 2016 systems must have secure boot disabled.

➢ Projects

The following projects use WinDivert:

Disclaimer: Links provided for information only---there is no endorsement nor guarantee regarding software quality and/or fitness for purpose, etc., nor do we accept liability for loss or damages, etc.

Contact basil if you want to add a link to your WinDivert-related project.

➢ Contact

Send feedback and/or questions to:

Copyright © 2019 basil