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[92.245.202.144]) by smtp.gmail.com with ESMTPSA id h14sm25153966wrs.66.2019.07.18.00.11.58 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 18 Jul 2019 00:11:58 -0700 (PDT) Date: Thu, 18 Jul 2019 09:11:57 +0200 From: Vladimir Botka To: Matthias Apitz Cc: freebsd-wireless@freebsd.org Subject: Re: debugging a Wifi association problem Message-ID: <20190718091157.774c697b@gmail.com> In-Reply-To: <20190718062033.GA4802@c720-r342378> References: <20190717053826.GA3090@c720-r342378> <20190717090543.4e0ac69f@gmail.com> <20190717173532.GA3766@c720-r342378> <20190717202602.397ca542@gmail.com> <20190717185324.GB2379@c720-r342378> <20190717231314.188da633@gmail.com> <20190718062033.GA4802@c720-r342378> Organization: na X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/ygcdkd_dpAw3wo+iDyueBhF"; protocol="application/pgp-signature" X-Rspamd-Queue-Id: 5ECDA7605A X-Spamd-Bar: -------- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=oVnHIhfS; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of vbotka@gmail.com designates 2a00:1450:4864:20::329 as permitted sender) smtp.mailfrom=vbotka@gmail.com X-Spamd-Result: default: False [-8.95 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; HAS_ORG_HEADER(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-0.91)[-0.907,0]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; SIGNED_PGP(-2.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-wireless@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[9.2.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; RCVD_TLS_LAST(0.00)[]; IP_SCORE(-2.93)[ip: (-9.24), ipnet: 2a00:1450::/32(-2.93), asn: 15169(-2.44), country: US(-0.05)] X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Jul 2019 07:12:03 -0000 --Sig_/ygcdkd_dpAw3wo+iDyueBhF Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Thu, 18 Jul 2019 08:20:33 +0200 Matthias Apitz wrote: > El d=C3=ADa mi=C3=A9rcoles, julio 17, 2019 a las 11:13:14p. m. +0200, Vla= dimir Botka escribi=C3=B3: >=20 > >=20 > > FreeBSD is not needed to analyse the the problem. =20 > > Use whatever system is able > > to set wifi card into the "monitor" mode and sniff the packets first. T= he > > link below is complete how to do it > > https://wiki.wireshark.org/CaptureSetup/WLAN > > When you got the data analyse it with wireshark. The captured data migh= t grow > > fast. =20 > > > > > > I only have FreeBSD laptops (and an older Ubuntu) and the question was > > > not if FreeBSD is needed, but if FreeBSD is *able* to capture Wifi. > >=20 > > Yes. FreeBSD is able to capture Wifi. Find below the link to the BSD ch= apter. > > https://wiki.wireshark.org/CaptureSetup/WLAN#A.2ABSD >=20 > # wireshark -i wlan0 -I > The capture session could not be initiated on interface 'wlan0' (That > device doesn't support monitor mode). # ifconfig wlan0 monitor > does not help and does nos say anything. > > # ifconfig wlan0 > wlan0: flags=3D48843 metr= ic 0 > mtu 1500 ... > Any ideas? You've successfully set MONITOR mode of wlan0. Use tcpdump to capture packe= ts. https://www.freebsd.org/cgi/man.cgi?tcpdump(1) When you got the data analyse it with wireshark. The captured data might gr= ow fast. =20 Cheers, -vlado --Sig_/ygcdkd_dpAw3wo+iDyueBhF Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEbaThuYKQgbbmDrVkkNGZEo7UTwEFAl0wG70ACgkQkNGZEo7U TwFNYQf/U/vEHVbP76JQRVEy2k4SCPuSE4fJcMEX1fN9M8++J4oz4jPKOu/sKFCT 9nwV5EJmjeOZiI+F3i93MG1LAnAfy9CO7ToHwW/HUDC3L06c1zQScLsToPnYBGvt Khwm/dRnedUzE+P+gQ5Fgv0UVB20wfb9R5THKqW7F9uoJrgAelkyJvKSDKZPXe8A zVrWKS5BwiAJNMO5/CLeGz2FIdBBS0FWnw0HWl/PvV1fEYnEZpzUIyZ2FcujD2NB DtkOZTSr6wVUUEybJFnvQG9bHgzR3CKEPIeTPk6B9XFCVc3Fi9LtEcdAJLzPYIwa Tbwsz4Cvzx5u6p5EL/KoGUjIMBdbTQ== =54+k -----END PGP SIGNATURE----- --Sig_/ygcdkd_dpAw3wo+iDyueBhF--