npca

Npcap Celebrates its 10th Anniversary In Space!

Posted by Gordon Fyodor Lyon on Oct 05

Dear Nmap community,

Last month we celebrated Nmap's 26th birthday and today I'm happy to share
another big milestone: Our Npcap driver for capturing and sending raw
packets on Windows turned 10 this year! From humble beginnings as a
security and modernization patch for the discontinued WinPcap project,
Npcap has become an indispensable component for both Nmap and Wireshark.
And it's used by hundreds of other software products and...




npca

NPCAP 1.60 high CPU usage with pcap filter that does not pass anything (Win10)

Posted by Vladimir Soldatov on Sep 17

Hi guys,

I've a setup (Win10, Intel X520, NPCAP 1.60) with relatively high traffic
around 700 Mbit/s and I am trying to test the following cases:
1. Capture everything with empty pcap filter and just print stats with some
period calculating captured data size
2. Capture nothing with an intentionally created filter that does not match
the received traffic at all.
3. Capture some subset of traffic like 10%.

In all the cases, CPU usage...