Date: Wed, 03 Sep 2008 12:37:28 -0700 From: Sam Leffler <sam@freebsd.org> To: Matthias Apitz <matthias.apitz@oclc.org> Cc: freebsd-hackers@freebsd.org Subject: Re: WPA && associating with unknown SSID Message-ID: <48BEE778.4000503@freebsd.org> In-Reply-To: <20080903190032.GA2372@rebelion.Sisis.de> References: <20080903113131.GA8697@rebelion.Sisis.de> <48BEA791.6030406@freebsd.org> <20080903190032.GA2372@rebelion.Sisis.de>
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Matthias Apitz wrote:
> El día Wednesday, September 03, 2008 a las 08:04:49AM -0700, Sam Leffler escribió:
>
>
>> Matthias Apitz wrote:
>>
>>> Hello,
>>>
>>> I'm using WPA to connect to my various Wifi AP's (office, home, partner
>>> locations) and have them well configured in the wpa_supplicant.conf(5)
>>> file;
>>>
>>>
>> >from time to time at home I encounter that it is associating with an
>>
>>> unknown AP of my neighbourhood:
>>>
>>>
>>> # ifconfig iwi0
>>> iwi0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>>> ether 00:13:ce:a1:e6:81
>>> inet 192.168.2.3 netmask 0xffffff00 broadcast 192.168.2.255
>>> media: IEEE 802.11 Wireless Ethernet autoselect (DS/11Mbps)
>>> status: associated
>>> ssid o2DSL_kJaR channel 1 (2412 Mhz 11g) bssid 00:19:cb:86:b3:84
>>> authmode OPEN privacy ON deftxkey 1 wepkey 1:40-bit bmiss 10
>>> scanvalid 60 bgscan bgscanintvl 300 bgscanidle 250 roam:rssi11g 7
>>> roam:rate11g 5 protmode CTS roaming MANUAL
>>> # ifconfig iwi0 list scan
>>> SSID BSSID CHAN RATE S:N INT CAPS
>>> o2DSL_kJaR 00:19:cb:86:b3:84 1 54M 19:0 100 EP
>>> xxxxxxxxxxxx 00:14:6c:44:aa:f6 11 54M 13:0 100 EP WPA
>>>
>>> the network with SSID 'o2DSL_kJaR' is not im my
>>> /etc/wpa_supplicant.conf;
>>>
>>> how this is possible and how can I prevent this?
>>>
>>>
>> You must have a wildcard entry in your wpa_supplicant.conf file (i.e.
>> one w/o an ssid specified).
>>
>
> Thx for the idea, but I don't have any wildcard entry; I've checked the
> conf file and also wpa_cli says:
>
>
>> list_networks
>>
> network id / ssid / bssid / flags
> 0 santaclara any
> 1 tarara any [CURRENT]
> 2 OCLCPICAUK any
> 3 board_room any
> 4 guagua any
> 5 OCN-LAN any
> 6 ConnectionPoint any
>
> and:
>
> # fgrep network= /etc/wpa_supplicant.conf | wc -l
> 7
> # fgrep ssid=\" /etc/wpa_supplicant.conf
> ssid="santaclara"
> ssid="tarara"
> ssid="OCLCPICAUK"
> ssid="board_room"
> ssid="guagua"
> ssid="OCN-LAN"
> ssid="ConnectionPoint"
>
>
So far as I know this should not happen. It'd be useful to have a
wpa_supplicant log that shows it associating to an ssid not listed in
the config file.
Sam
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