Could not set interface mon.wlan0 flags: No such file or directory

[user]

My struggle have led to victory with WEP.
In WPA/WPA2 hostapd complains about WPA: EAPOL-Key timeout.

* user <xxxiter at rambler.ru> [Wed, 22 Feb 2012 21:22:58 +0400]:
> I followed to advice to replace 'rt2870.bin' in '/lib/firmware'.
> Downloaded here:
> http://www.ralinktech.com/en/04_support/license.php?sn=5030 .
> Now hostapd starts but the client doesn't connect either.
>
> My config is:
>     interface=wlan0
> driver=nl80211
> bridge=br0
> ssid=localbridge
> hw_mode=g
> channel=1
> #macaddr_acl=0
> #auth_algs=1
> #ignore_broadcast_ssid=0
> wpa=3
> wpa_passphrase=1024x768
> wpa_key_mgmt=WPA-PSK
> wpa_pairwise=TKIP
> rsn_pairwise=CCMP
>
> In attachement there are the logs of hostapd.
>
> * "hostapd.log.tar.gz"
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