hostapd leaving out 'zombie' accesspoint after killing it with crtl+c

Janusz Dziedzic janusz.dziedzic at
Tue Mar 21 12:38:05 PDT 2017

2017-03-21 15:30 GMT+01:00 Wojciech Żyszczyński <zyszczynski at>:
> Hi,
> I am running hostapd 2.6 on centos 7. I start it and the SSID is being
> broadcasted.
> What puzzles me, if I terminate the hostapd process with CTRL+C in the
> console, the SSID is still being broadcasted.
> I checked all the processes in the system, and hostapd is dead.
> The zombie SSID is visible in the scan results and connection can be
> attempted. It always fails though.
> My guess is that 'hostapd does not shutdown the Access Point at the
> wifi driver level'.
Right :)

Check iw wlan0 info|link - I think wlan0 will be still up :)
Driver/hw have configured beacons.
ifconfig wlan0 down should fix it.

> Any ideas on that?
> Best Regards,
> Wojciech Żyszczyński
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Janusz Dziedzic

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