https://github.com/nmap/npcap
Nmap Project's Windows packet capture and transmission library
https://github.com/nmap/npcap
packet-capture windows
Last synced: 5 days ago
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Nmap Project's Windows packet capture and transmission library
- Host: GitHub
- URL: https://github.com/nmap/npcap
- Owner: nmap
- License: other
- Created: 2015-05-19T02:46:54.000Z (almost 10 years ago)
- Default Branch: master
- Last Pushed: 2025-03-31T23:59:22.000Z (15 days ago)
- Last Synced: 2025-04-03T09:36:43.833Z (12 days ago)
- Topics: packet-capture, windows
- Language: C
- Homepage: https://npcap.com
- Size: 12.4 MB
- Stars: 3,145
- Watchers: 163
- Forks: 543
- Open Issues: 231
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
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README
Npcap
==========
[](https://ci.appveyor.com/project/dmiller-nmap/npcap)
[](https://npcap.com/#download)
[](https://github.com/nmap/npcap/issues)
[**Npcap**](https://npcap.com) is a packet capture and injection library for
Windows by the [**Nmap Project**](https://nmap.org). It is a complete update to
the unmaintained [**WinPcap**](http://www.winpcap.org/) project with improved
speed, reliability, and security.
## Documentation
The complete documentation for Npcap is available in the [Npcap
Guide](https://npcap.com/guide/) on [npcap.com](https://npcap.com/). There you
will find information about
[installation](https://npcap.com/guide/npcap-users-guide.html#npcap-installation),
[reporting
bugs](https://npcap.com/guide/npcap-users-guide.html#npcap-issues),
[developing software with
Npcap](https://npcap.com/guide/npcap-devguide.html), and [Npcap
internals](https://npcap.com/guide/npcap-internals.html).
## Downloads
The latest installer, Software Development Kit (SDK), source, and debug symbols
can be downloaded from https://npcap.com/#download
## Bug report
Please report any bugs or issues about Npcap at: [Npcap issues on
GitHub](https://github.com/nmap/npcap/issues). In your report, please provide
your
[**DiagReport**](https://npcap.com/guide/npcap-users-guide.html#npcap-issues-diagreport)
output, user software version (e.g. Nmap, Wireshark), reproduce steps and other
information you think necessary. Refer to [the Npcap Guide section on reporting
bugs](https://npcap.com/guide/npcap-users-guide.html#npcap-issues) for more
complete directions.
## License
The [Npcap License](https://github.com/nmap/npcap/blob/master/LICENSE) allows
end users to download, install, and use Npcap from our site for free on up to 5
systems (including commercial usage). Software providers (open source or
otherwise) which want to use Npcap functionality are welcome to point their
users to [npcap.com](https://npcap.com/) for those users to download and install.
We fund the Npcap project by selling [Npcap OEM](https://npcap.com/oem/). This
special version of Npcap includes enterprise features such as the silent
installer and commercial support as well as special license rights.
## Contact
* ``[email protected]`` (Nmap development list, for technical issues and discussion)
* ``[email protected]`` (Sales address for commercial/licensing issues)
* [Npcap Issues Tracker](https://github.com/nmap/npcap/issues/)