hostapd n00b wants to capture all traffic sent / received by BSS - use hostapd?

Kennedy, Smith Wireless Architect smith.kennedy
Fri Oct 9 12:15:29 PDT 2015


Hello,

I am seeking a way to have an AP that can trace all 802.11 traffic sent & received by its adapters.  Having an adjacent system running in monitor mode isn't good enough - I want to track the traffic actually sent / received by the AP as reported by the AP's radio adapters themselves.  And I was wondering if such a thing could be done using hostapd (to provide the AP function if not the monitoring function) perhaps running BSD or Linux.  I don't know whether hostapd could be providing the 802.11 traffic or if rather I would need to be getting that using something like Wireshark etc.?  Reading the Wireshark wiki for capturing Wi-Fi traffic, it seems that non-monitor mode won't deliver the 802.11 headers on Linux, but some of the BSDs provide 802.11 headers and all the management frames etc.  Or maybe this will require getting traces directly from the drivers...?

Any help or other thoughts / pointers would be very welcome.

Cheers,
Smith



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