Friday, 7 August 2015

Wireshark Wi-Fi traffic sniffing support across Operating Systems

Windows

Promiscuous mode

  • WinPcap supports promiscuous mode but drivers for Wi-Fi NICs usually don't =>  Wireshark using WinPcap can't capture packets from Wi-Fi NIC in promiscuous mode on Windows

Monitor mode

  • WinPcap does not support monitor mode => Wireshark using WinPcap can't capture packets from Wi-Fi NIC in monitor mode on Windows 
  • Acrylic NDIS driver supports monitor mode => Wireshark + AirPcap/WiFi USB card +Acrylic NDIS driver is able to capture packets in monitor mode

Linux

Promiscuous mode

  • libpcap supports promiscuous mode => Wireshark can capture packets from Wi-Fi NIC in promiscuous mode on Unix

Monitor mode

  • libpcap supports monitor mode (on some flavors on Unix) => Wireshark can capture packets from Wi-Fi NIC in monitor mode on Unix

How to capture WiFi traffic using Wireshark on Windows
http://sourceforge.net/projects/libpcap/
http://www.tcpdump.org/
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