While WinPcap wasīased on LibPcap 1.0.0 from 2009, Npcap includes the latest Libpcap That is also supported on Linux and MacOS. Signatures, but WinPcap will cease working when that happens.Įnabling Windows applications to use a portable packet capturing API We don't know exactly when Microsoft will remove NDISĥ or cease the grandfathering of older less secure driver Our EV certificate and countersigned by Microsoft so that it worksĮven with the stricter driver signing requirements imposed by Latest technology in our Win10 driver while still supporting legacy systems. Windows release, we build and ship drivers for each major platform generation. To avoid limiting ourselves just to the features and API's of our oldest supported

Support for all Current Windows Releases: Npcap supports all versions of Windows and Windows Server that.Packet injection works as well with the pcap_inject() function. Wireshark users can choose this adapter to capture all loopback traffic the same way as other non-loopback adapters. Interface named NPF_Loopback, with the description “Adapter for loopback capture”. (transmissions between services on the same machine) by using the Loopback Packet Capture and Injection: Npcap is able to sniff loopback packets.Improving Npcap's speed, portability, security, and efficiency. Npcap began inĢ013 as some improvements to the (now discontinued) WinPcap library,īut has been largely rewritten since then These platforms (and more) with a single codebase. Include the Pcap API, so Npcap allows popular software such NpcapĪllows for sending raw packets as well. Traffic, and many VPNs) using a simple, portable API. Traffic (including wireless networks, wired ethernet, localhost This allows Windows software to capture raw network Npcap is the Nmap Project's packet capture (and sending) libraryĬustom Windows kernel driver alongside our Windows build Npcap Library Networking Library Microsoft Windows 11 Microsoft Windows 10 Microsoft Windows Server 2019 Microsoft Windows Server 2016 Microsoft Windows 8.1 Microsoft Windows Server 2012 R2 Microsoft Windows 8 Microsoft Windows Server 2012 Microsoft Windows 7 Microsoft Windows Server 2008 R2 Download Npcap Npcap License Npcap Changelog 1.71 Packet capture library for Windows Docs Download Licensing Windows 11 WinPcap

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