Questions tagged [wpa]

WPA (Wifi Protected Access) is a family of security protocols for Wi-Fi networks. The current version is WPA2, also known as IEEE 802.11i.

Filter by
Sorted by
Tagged with
1
vote
0answers
25 views

wpa_supplicant: try connecting to wifi without password

when using wpa_supplicant and trying to connect to a wifi having a proper password the common approach would look somehow like that add_network set_network 0 ssid "myssid" set_network 0 psk "...
2
votes
2answers
356 views

Skip scanning in wpa_supplicant

When we execute command wpa_supplicant -iwlan0 -c/etc/wpa_supplicant.conf for connecting to AP, wpa_supplicant follows following steps: 1. wpa_supplicant requests the kernel driver to scan ...
5
votes
0answers
1k views

Cannot connect to WiFi with nmcli, although secrets are provided

I am using nmcli on ArchLinux (version 1.14.5dev+17+gba83251bb-1 from the official package repository) to connect to wifi. This works perfectly for all wireless networks apart from this one Vodafone ...
0
votes
1answer
260 views

Can't connect to WiFi with WPA-EAP

I'm trying to connect to a WiFi with WPA-EAP, but it always fails with error: failure to add network: invalid message format Full log from journalctl: NetworkManager[668]: <info> device (...
3
votes
1answer
556 views

wpa_supplicant says network is disabled

When trying to connect to a network (specifically a WPA2 enterprise network for a university) with wpa_supplicant on Gentoo Linux, the network is shown as disabled when the flag is not set. My ...
0
votes
0answers
119 views

Disallowed characters in WPA/WEP SSID and Password?

I'm writing a script that deals with SSIDs and passwords for wifi connections. I'm keeping SSIDs/Passwords in a textfile and I want to delineate them with something other than a space, since both ...
6
votes
1answer
1k views

Can I connect to a hidden wifi without knowing the ESSID?

Is it theorically possible to connect to a hidden wifi without giving the ESSID? The way I connect to a hidden wifi requires to give an SSID (nmcli refuses to have a blank 802-11-wireless.ssid field)....
2
votes
1answer
1k views

How to view the WPA2 PEAP certificate offered by an AP?

I have to connect to a WPA2 Enterprise network which only works if I don't verify the certificate. I would prefer not to do this, because this way anyone can see the MSCHAPv2 messages. The first step ...
1
vote
0answers
78 views

Raspbian Lite not connecing to internet

I'm running Raspbian Jessie Lite (tty only) and attempting to connect to the internet using wpa_supplicant. The error I receive is WRONG_KEY and 4-Way Handshake failed, however, I know my passphrase ...
1
vote
2answers
3k views

How to enable WPA/WPA2 in NetworkManager?

I just reinstalled ArchLinux on my Thinkpad. I am a bit puzzled that the network-manager-applet only supports WEP encryption for wifi networks. I already installed wpa_supplicant and wireless_tools ...
0
votes
0answers
1k views

Eduroam on netctl

My organisation offers a large script to setup eduroam connection and I don't like executing large scripts for which I don't know what they do and I cannot revert things that they do here in Archlinux....
0
votes
1answer
263 views

dhclient connecting to wlan0 after wpa-supplicant setup polls infinitely

I just wanted to try out how to connect to my WIFI WPA2 via terminal. Therefore I created "/etc/wpa_supplicant" network = { ssid = "nameOfWifi" psk = "passwordNumberThatIFoundOnTheWifiHardware" ...
4
votes
1answer
4k views

wpa_cli level command always fails

I'm trying to set the debug level of wpa_cli using the level command. It doesn't matter if I use interactive mode or direct commands the level command always fails. wpa_cli -i wlan0 level 1 => ...
22
votes
2answers
25k views

Hiding passwords in wpa_supplicant.conf with WPA-EAP and MSCHAP-v2

My wpa_supplicant.conf looks like this: network={ ssid="Some name" scan_ssid=1 key_mgmt=WPA-EAP eap=PEAP identity="my-user-id" password="(clear text password here)" ca_cert="/usr/share/...
2
votes
1answer
2k views

Cannot connect to wifi with wpa_supplicant

I just installed Arch Linux on my laptop. So far I have only been able to connect to wired networks. When I try to connect to my wifi network with wpa_supplicant -D nl80211,wext -i wlp3s0 -C <(...
1
vote
1answer
810 views

Connecting to WPA network in FreeBSD

For whatever reason I am having a very annoying time just trying to connect to a network in FreeBSD. So the question is how would someone manually connect to a wireless WPA network in FreeBSD 11.0? ...
0
votes
1answer
1k views

How to use hashcat on CentOS 7 to crack WPA with wordlist?

If we have a CentOS 7 desktop and a big wordlist and a WPA out.ivs capture (--ivs with airodump-ng), how can we use hashcat (without installing it via the package manager) to use the wordlist to "...
1
vote
1answer
944 views

Failure starting Wlan connection with wpa_supplicant?

I'm brand new to server configuration. I'm just a developer, so forgive me if I don't understand what you're talking about, if I haven't posted enough information, or if I don't understand your ...
1
vote
1answer
163 views

Connect to WiFi without storing password (Raspbian)

I notice WPA_GUI has saved my WiFi password to /etc/wpa_supplicant/wpa_supplicant.conf. The unit I'm trying to set up is a shared use system on enterprise WiFi that logs on with a user's account, so ...
2
votes
0answers
190 views

Connect wirelessly to WPA2-Enterprise network via shell

I need to connect to a WPA2-Enterprise connection wirelessly through the shell but cannot figure out how to do it. I have researched and have found many results for WPA2-Personal and even WPA2-...
9
votes
2answers
2k views

What are the most reliable wifi commandline tools? iw vs wpa_cli vs nmcli

I am exploring a few low-level tools for connecting to wireless networks, and I found the following tools (with useful documentation/tutorial links): iw wpa_cli nmcli I cannot seem to find a ...
1
vote
1answer
85 views

Using “--ivs” is a good way for making a smaller output?

airodump-ng --ivs --channel 1 --write output --bssid VV:II:CC:TT:II:MM mon0 https://en.wikipedia.org/wiki/Initialization_vector Question: If we use "--ivs" to make smaller outputs, will we be still ...
0
votes
1answer
44 views

When do I know I captured the WPA 4 way handshake?

When running: airodump-ng --ivs --channel 1 --write output --bssid VV:II:CC:TT:II:MM mon0 Question: When do I know I captured the WPA 4 way handshake?
1
vote
1answer
294 views

Problems with connecting to wifi

Yesterday I have set up wifi connection on my BananaPro with bananian, a linux distribution based on debian 7. The connection was set up with 'wpa-passphrase' and then I have typed those information ...
1
vote
1answer
2k views

wpa_supplicant unable to set essid and other parameters from config file

I'm not able to use wpa_supplicant to set the essid and other parameters on the wireless interface. Using -Dwext throws ioctl[SIOCSIWENCODEEXT] $ sudo wpa_supplicant -B -i wlan0 -Dwext -c ...
2
votes
0answers
213 views

Manually connect to Wi-Fi access point (AP) despite preconfigured APs in wpa_supplicant

I have special demands and need to manually control which Wi-Fi access point I connect to on my Linux machine. The machine is a Raspberry Pi running Raspbian (Debian) but I don't think the hardware ...
1
vote
0answers
742 views

How can settings for a WPA2 enterprise network be determined?

Is it possible to inspect the output of some command to determine the right settings for a given WPA2 Enterprise wifi network? If so, how? I've just been through the process of getting my university ...
2
votes
0answers
476 views

dhclient appears to give address but interface does not get assigned it

I am trying to connect to wifi using wpa_supplicant. I use this config: network={ ssid="guest" #psk="guest" psk=<numbers> } I also tried this config: update_config=1 network={ ssid="...
2
votes
0answers
422 views

Correctly populating wpa_supplicant.conf from iwlist scan results

I am wondering how I can tell that my wpa_supplicant.conf file is both sufficient and valid. When running iwlist scan outputs ESSID:"wifi" Protocol:IEEE 802.11bgn Mode:Master Frequency:2.412 GHz (...
1
vote
0answers
359 views

Unable to connect to WPA network [closed]

I have a Thinkpad T530 that's running Linux Mint 13 LTS. The problem I'm having is that I cannot connect to my home network which is password protected. I have no problem connecting to unprotected ...
1
vote
0answers
560 views

Arch Linux sudden wifi disconnects and unable to reconnect

I have a problem with my wifi internet connection that is secured by WPA. I have moved to a new location. I had set up a working internect connection but lost the connection after about an hour and ...
1
vote
1answer
277 views

Cannot connect to WPA2, but connecting to WEP is fine

I'm trying to set up a connection to a WPA2-Personal network on a barebones Debian install. I've installed the firmware for my wireless adapter just fine (ipw2200) and can connect to open wireless ...
1
vote
0answers
559 views

Constant prompt for WPA2 password in Fedora

I asked on the Fedora forums but no one responded so I am asking here. I am on Fedora 20 with Gnome 3. My machine is the Dell XPS 13 which has an Intel 7260 rev 6b wireless card. I connect to my ...
0
votes
1answer
1k views

Why doesn't WPA handshake occur?

[root@notebook /opt/aircrack-ng] dmesg -C [root@notebook /opt/aircrack-ng] aireplay-ng --test wlan0 ioctl(SIOCSIWMODE) failed: Device or resource busy ARP linktype is set to 1 (Ethernet) - expected ...
0
votes
1answer
2k views

wpa_supplicant and signal strength

I use wpa_supplicant to handle a connection to specific SSID. I added the wpa_supplicant to default runlevel in order to start it at the boot time. I have this question however; Is it any program, ...
14
votes
2answers
67k views

WiFi error wpa_supplicant

I have a problem with the wpa_supplicant program. My problem is about the use of wpa_cli which needs wpa_supplicant. Error when I'm executing sudo wpa_cli: Could not connect to wpa_supplicant The ...
1
vote
0answers
833 views

dhcp settings wifi radar linux mint

I am trying to connect to my wifi network. Using the standard connection manager in linux mint 13 xfce was not a good idea. No wifi networks are shown there. and when I left-click on it, the wireless ...
2
votes
1answer
13k views

Configure wpa_supplicant.conf to Hidden SSID using WPA2 / PEAP / MS-CHAPv2

Here the specifics, I have also the CA certificate chain installed on the machine 1 - hidden SSID (non-broadcast) 2 - The authentication protocol used is PEAP, which is a username and password ...
4
votes
1answer
14k views

How to make wpa_supplicant automatically log into file

I am trying to troubleshoot a wireless connection on FreeBSD. I am manually editing the /etc/wpa_supplicant.conf file So far the wpa_cli status only tells me that it's Unauthorized. I'd like to get ...
8
votes
2answers
8k views

escape characters in /etc/network/interfaces

I want to be sure that whatever string I pass into the line wpa-ssid "abc" in /etc/network/interfaces won't be used to break out of the configuration. All I can find in the manual is that \ can be ...
8
votes
3answers
68k views

How to connect to Wi-Fi network in Arch Linux?

tl;dr After reading the Arch wiki articles on installation, wireless setup and WPA supplicant, trying the suggestions below and a host of forum threads, I'm unable to get either of the following cards ...
2
votes
2answers
6k views

wpa_passphrase must be 8..63 characters

I'd like to connect to wireless network via command line in Linux. When doing it I've stuck with this issue: $ wpa_passphrase NETWORK_SSID NETWORK_PASSWORD Passphrase must be 8..63 characters The ...