Wireless notes

Resources

great article, includes reason codes:

• http://etutorials.org/Networking/Wireless+lan+security/Chapter+4.+WLAN+Fundamentals/Basic+Choreography/

Problems and solutions

Reason 15

wpa_supplicant used:

Oct 15 16:54:30 ll kernel: [25880.939657] cfg80211: Calling CRDA to update world regulatory domain
Oct 15 16:54:31 ll kernel: [25881.865991] wlan0: authenticate with 00:90:d0:e9:0f:c3 (try 1)
Oct 15 16:54:31 ll kernel: [25881.867507] wlan0: authenticated
Oct 15 16:54:31 ll kernel: [25881.867586] wlan0: associate with 00:90:d0:e9:0f:c3 (try 1)
Oct 15 16:54:31 ll kernel: [25881.870045] wlan0: RX AssocResp from 00:90:d0:e9:0f:c3 (capab=0x411 status=0 aid=2)
Oct 15 16:54:31 ll kernel: [25881.870058] wlan0: associated
Oct 15 16:54:35 ll kernel: [25885.870359] wlan0: deauthenticated from 00:90:d0:e9:0f:c3 (Reason: 15)

PSK wrong!!! Typo! d'oh!

Fix the password and success:

ct 15 16:54:39 ll kernel: [25889.513681] wlan0: authenticate with 00:90:d0:e9:0f:c3 (try 1)
Oct 15 16:54:39 ll kernel: [25889.518705] wlan0: authenticated
Oct 15 16:54:39 ll kernel: [25889.518787] wlan0: associate with 00:90:d0:e9:0f:c3 (try 1)
Oct 15 16:54:39 ll kernel: [25889.521659] wlan0: RX AssocResp from 00:90:d0:e9:0f:c3 (capab=0x411 status=0 aid=2)
Oct 15 16:54:39 ll kernel: [25889.521672] wlan0: associated
Oct 15 16:54:39 ll kernel: [25889.523503] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Oct 15 16:54:40 ll wpa_cli: interface wlan0 CONNECTED
Oct 15 16:54:40 ll dhcpcd[13828]: version 5.2.12 starting
Oct 15 16:54:41 ll dhcpcd[13828]: wlan0: broadcasting for a lease
Oct 15 16:54:43 ll dhcpcd[13828]: wlan0: offered 192.168.1.71 from 192.168.1.254
Oct 15 16:54:43 ll dhcpcd[13828]: wlan0: acknowledged 192.168.1.71 from 192.168.1.254
Oct 15 16:54:43 ll dhcpcd[13828]: wlan0: checking for 192.168.1.71
Oct 15 16:54:48 ll dhcpcd[13828]: wlan0: leased 192.168.1.71 for 86400 seconds
Oct 15 16:54:48 ll dhcpcd[13828]: forked to background, child pid 13860
Oct 15 16:54:49 ll kernel: [25899.746195] wlan0: no IPv6 routers present

Tools

• net-wireless/aircrack-ng - WLAN tools for breaking 802.11 WEP/WPA keys
• net-wireless/airsnort - 802.11b Wireless Packet Sniffer/WEP Cracker
• net-wireless/airtraf - AirTraf 802.11b Wireless traffic sniffer

See also

• Ll
• Megatherion