github nmap/npcap v1.20
Npcap 1.20

Installer, SDK and debug symbols available from https://npcap.org/#download

  • Upgrade wpcap.dll to libpcap 1.10. This change enables software to use
    pcap_set_tstamp_type() to set the packet capture time source and precision
    per capture handle. The currently-supported types (see
    pcap-tstamp) are:

    • PCAP_TSTAMP_HOST_HIPREC_UNSYNCED - default, maps to TIMESTAMPMODE_SINGLE_SYNCHRONIZATION
    • PCAP_TSTAMP_HOST_LOWPREC - maps to TIMESTAMPMODE_QUERYSYSTEMTIME
    • PCAP_TSTAMP_HOST_HIPREC - maps to TIMESTAMPMODE_QUERYSYSTEMTIME_PRECISE
  • Fix an issue preventing WlanHelper.exe from changing WiFi parameters for
    adapters which caused the error message "makeOIDRequest::My_PacketOpenAdapter
    error". Fixes #122 and several other reports
    of the same issue.

  • Fixed an issue that prevented NDIS protocol drivers from reducing the
    hardware packet filter, even if the removed bits/filters were only set by
    that protocol driver initially. This may fix #106.

  • Fixed an issue with pcap_sendqueue_transmit() that caused it to busy-wait
    in an attempt to synchronize packet sends with pcap timestamps, even when the
    program did not request synchronization. Fixes #113.

  • The installer will now safely remove and replace broken installations due to
    #268.

  • Upgraded installer to NSIS 3, which improves compatibility with modern Windows versions.

  • Added application manifests to several installer tools and removed Windows
    Vista from the manifests of others, improving compatibility.

latest releases: v1.55, v1.50, v1.40...
6 months ago