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Questions tagged [wpa2-psk]

Wi-Fi Protected Access II (WPA2) is a security protocol for wireless network that can be configured to utiltize a Pre-Shared Key (PSK) for encryption/decryption.

56 questions
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2 answers

How do I decrypt WPA2 encrypted packets using Wireshark?

I am trying to decrypt my WLAN data with Wireshark. I have already read and tried eveything on this page but without any success (well, I tried the example dump on that page and succeeded, but I fail with my own packets). I caught the four-way…
Rox
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12
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4 answers

What does WPA/WPA2 really encrypt?

I have WPA2-personal on my laptop and I'm connected wirelessly to my home AP. The traffic I capture from Wireshark is all unencrypted. Some days ago I had my router on WPA-personal and did a MITM attack on my smartphone and the traffic was…
Josip Ivic
  • 328
10
votes
2 answers

What are the technical requirements for a WPA-PSK passphrase?

I was thinking of generating a WPA-PSK passphrase, and I see in the OpenBSD manpage for wpa-psk(8): The passphrase must be a sequence of between 8 and 63 ASCII-encoded characters. What exactly is the criteria for "ASCII-encoded" here? Just that…
asveikau
  • 233
9
votes
1 answer

What is PMKID? Why would even a router give away the PMKID to an unauthorized stranger?

I do have a general understanding of the 4-way handshake in WPA and WPA2 security. I know about PMK, PTK, GMK, GMK, SNONCE, etc terminologies. I also read about the new PMKID attack more silent than the legacy handshake capture method. What I don't…
Sayan Dey
  • 224
6
votes
1 answer

"Wifi network not secure" notification with WPA2 Personal

Everytime I connect to my wifi-network with my Windows 10 1909 I get a notification about the network not being secure. The network does use WPA2 Personal though (which is shown by multiple devices on the network, 2 android devices show WPA/WPA2…
DaddyMike
  • 97
5
votes
1 answer

wpa_supplicant - detecting that my password is incorrect?

If I specify an incorrect password when connecting to a WiFi network is there anyway to detect that the reason I can't connect is the incorrect password (rather than one of the many other possible reasons that one might not be able to connect). E.g.…
George Hawkins
  • 152
5
votes
2 answers

Does the length of a WPA2-PSK passphrase affect wireless performance?

Will the performance of my home wireless network be affected by an overly long WPA2-PSK passphrase? Is the passphrase used only during authentication or is it used to encrypt all frames?
Nathan Fellman
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4
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4 answers

Is there any way to log incorrect password attempts on Wi-Fi networks

I’d like to monitor if clients attempt to connect to a Wi-Fi network using an incorrect WPA key. Are there any access points that log such attempts? Is this something that could be observed with a separate Wi-Fi card set to monitor mode?
futureshape
  • 91
4
votes
2 answers

Windows XP Home Edition SP3 WiFi WPA2 not working

My netbook OS is Windows XP Home Edition SP3. My wireless network option shows WPA/WPA2 option when I select it, it connects to the router but no internet access. Then I changed my router settings to WEP and configured my netbook and it works fine.…
user35255
3
votes
1 answer

Eavesdropping on a WPA2 (PSK) network

I’m trying to capture frames sent and / or received by other clients on my wireless (WPA2-PSK) network. I installed Wireshark, activated the promiscuous mode and set the decryption key, but I’m unable to see frames other than my own… even when I…
simonsays9
  • 43
3
votes
3 answers

How to add support for wireless networking WPA2-PSK [AES] on Windows

I have the problem on one of my machines that it is not possible to select WPA2-PSK [AES] network. It is missing in the network encryption dropdown (please see a picture below from my computer where it shows (and works), on the other computer the…
Henrik K
  • 251
3
votes
1 answer

How can I retrieve WPA keys?

I use Ubuntu 12.04.1 I try iwlist, but it is what I have: user@comp-1:~$ sudo iwlist wlan0 keys wlan0 2 key sizes : 40, 104bits 4 keys available : [1]: off [2]: off [3]: off [4]: off Current…
Rodnower
  • 2,259
3
votes
1 answer

How can i configure my wpa_supplicant.conf?

How can i configure my wpa_supplicant.conf? I am using OpenWRT in my TP-link WR841N in mode STA. But I can not connect to SMC ! I want connect to SMC by wpa_supplicant! But I know it's possible in other configuration. My final objective is connect…
Frederico Vaz
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3
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2 answers

Windows XP, Netgear DGN2200 and WPA2 blues

Ok, this one is doing my head in... I have just bought and installed a Netgear DGN2200 Wireless-N router, and it's all working find, but I can't get one laptop to communicate with it using WPA2. All the other computers are working fine: Ubuntu +…
Majenko
  • 32,964
3
votes
4 answers

airodump-ng info at screen bottom is cut-off

This might be a very simple question, but I couldn't find a good solution. When airodump-ng is running, if the list is too long, the bottom of the list will be cutoff to fit into the screen. In fact, most of the time I cannot see the STATION table…
kdlsw
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