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What is Kismet?

Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. Kismet will work with any wireless card which supports raw monitoring (rfmon) mode, and can sniff 802.11b, 802.11a, and 802.11g traffic.

Kismet identifies networks by passively collecting packets and detecting standard named networks, detecting (and given time, decloaking) hidden networks, and infering the presence of nonbeaconing networks via data traffic.



News

Wed Jun 24 2009 - Kismet-2009-06-R1 released! See the downloads page per usual. Lots of fixes in this one (including dropping the 'candidate' designation), see the list here.

Thu Jun 18 2009 - Spectools 2009-06-R1 released! Some bug fixes, plus support for the new Wi-Spy 24i device

Wed May 29 2009 - In a moment of short-lived glory, Kismet-2009-05-RC2 is now out, again on the download page. Downloads for RC1 have been redirected to RC2. 2009-05-RC2 fixes a 1-character bug which led to corrupted logfile names and bad kismet_server launching.

Tue May 26 2009 - Kismet-Newcore is now released as Kismet-2009-05-RC1!
After 5+ years of development, this staging release is to work out any final minor issues before a full release. Kismet-2009-05-RC1 is expected to be fully functional, so please report problems on the forums or via email. Please read the new README and replace your configuration files, as just about everything about configuring Kismet has changed (for the better!) The old Kismet tree also sees a new release as Kismet-old-2009-05-R1, which incorporates minor fixes and support for some of the newer Intel and Ralink cards/driver names. Both are available from the download page. Screenshots of the new UI are on the screenshot page.





Features
802.11b, 802.11g, 802.11a, 802.11n sniffing
Standard PCAP file logging (Wireshark, Tcpdump, etc)
Client/Server modular architecture
Multi-card and channel hopping support
Runtime WEP decoding
Tun/Tap virtual network interface drivers for realtime export of packets
Hidden SSID decloaking
Distributed remote sniffing with Kismet drones
XML logging for integration with other tools
Linux, OSX, Windows, and BSD support (devices and drivers permitting)


Development Blog

For more detailed development information than the changelog or news provides, general wireless info and link-whorery, and other stuff, check out the development blog here.



Presentations

Presentations from various talks I've given are here.



Screenshots

Screenshots of the Panels UI and GPSMap mapping tool are here.





IRC
Stop by #kismet on irc.freenode.net.



WiSPY-Tools
The open source tools for the WiSPY Spectrum Analyzer are on the WiSPY page here




dragorn@kismetwireless.net