On Thu, 18 Jul 2019 08:20:33 +0200 Matthias Apitz <[email protected]> wrote:
> El día miércoles, julio 17, 2019 a las 11:13:14p. m. +0200, Vladimir Botka > escribió: > > > > > FreeBSD is not needed to analyse the the problem. > > Use whatever system is able > > to set wifi card into the "monitor" mode and sniff the packets first. The > > 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 might > > grow > > fast. > > > > > > 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. > > > > Yes. FreeBSD is able to capture Wifi. Find below the link to the BSD > > chapter. > > https://wiki.wireshark.org/CaptureSetup/WLAN#A.2ABSD > > # 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=48843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,MONITOR> metric 0 > mtu 1500 ... > Any ideas? You've successfully set MONITOR mode of wlan0. Use tcpdump to capture packets. https://www.freebsd.org/cgi/man.cgi?tcpdump(1) When you got the data analyse it with wireshark. The captured data might grow fast. Cheers, -vlado
pgpqIOw5I1E59.pgp
Description: OpenPGP digital signature
