Hidden AP with hostapd

Jouni Malinen j
Sun Apr 26 00:51:15 PDT 2009

On Tue, Apr 21, 2009 at 11:45:27AM +0200, Fernando wrote:

> I'm trying to set up a hidden AP using hostapd (dissable beacon frame) 
> but I don't know whether it is possible.

Hidden AP does not disable Beacon frame transmission (that would break
the network at least for all stations that use power saving); it only
removes the SSID from the Beacon frame (but it is still visible in other
frames and this mechanism is quite pointless).

> I have tried with the option ignore_broadcast_ssid but it still keeps on 
> sending it.
> How can I configure it? I'm using madwifi driver.

hostapd is not responsible for transmitting or configuring the Beacon
frames when using madwifi driver. You will need too see driver
documentation if you are using that driver. With ath5k/ath9k, the
ignore_broadcast_ssid ould remove the actual SSID from the Beacon

Jouni Malinen                                            PGP id EFC895FA

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