6

I have a headless Debian machine, with a Wifi dongle connected. I used to hide the Wifi AP, but now I can't.

If I unhide it, some lines in the /etc/network/interfaces will allow me to connect:

auto wlan0
iface wlan0 inet dhcp
        wpa-ssid <name>
        wpa-psk <hex/raw pwd>

If I hide the AP, add this line, then restart the interface, it won't work (DHCP gets no IP):

wpa-ap-scan 2

I've not found official documentation about the /etc/network/interfaces config.

What can I do now?

9

Finally, I've found out a solution, just an other line (previous not needed: wpa-ap-scan)

wpa-scan-ssid 1

I've not really found it in any documentation... just in a forum post.

  • I found this by guessing too, I used wpa-scan_ssid 1. Also works. – Matt Joiner Sep 5 '13 at 6:31
4

I've not found official documentation about the /etc/network/interfaces config.

You can find the documentation at /usr/share/doc/wpasupplicant/README.Debian.gz. Under Chapter 4: Troubleshooting there's a section titled Hidden ssids:

In order to be able to associate to hidden ssids, please try to set the option 'ap_scan=1' in the global section, and 'scan_ssid=1' in your network block section of your wpa_supplicant.conf file. If you are using the managed mode, you can do so by these stanzas:

iface eth1 inet dhcp
    wpa-ap-scan 1
    wpa-scan-ssid 1
    # ... additional options for your setup

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.