Date: Wed, 03 Sep 2008 18:08:39 +0200 From: Pietro Cerutti <gahr@FreeBSD.org> To: Sam Leffler <sam@freebsd.org> Cc: freebsd-hackers@freebsd.org, Matthias Apitz <matthias.apitz@oclc.org> Subject: Re: WPA && associating with unknown SSID Message-ID: <48BEB687.5050308@FreeBSD.org> In-Reply-To: <48BEA791.6030406@freebsd.org> References: <20080903113131.GA8697@rebelion.Sisis.de> <48BEA791.6030406@freebsd.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Sam Leffler wrote: | 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). Not necessarily. If you bring up a wlan interface and don't specify anything, it will automatically associate with the first open AP it finds. I don't know if it's to be considered a feature or a bug. I've been worried by this sometimes, but honestly not enough to really care.. Anyway, it happens... | Sam - -- Pietro Cerutti gahr@FreeBSD.org PGP Public Key: http://gahr.ch/pgp -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEAREKAAYFAki+toYACgkQwMJqmJVx945SJwCeNc0z+Jb2Rqw6n06sPKLJcxmA jlMAn2ZEa/r40dDf5cgaUoeWiJYyCkLC =OxPp -----END PGP SIGNATURE-----
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