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Super User

Questions tagged [802.1x]

IEEE 802.1X is an authentication mechanism for LAN & WLAN networks.

IEEE 802.1X is an authentication mechanism for LAN & WLAN networks – Ethernet, "Dynamic WEP", as well as WPA-Enterprise.

It is not an alias for IEEE 802.11 wireless networks.

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802.1X: What EXACTLY is it regarding WPA and EAP?

I understand 802.1X to be some sort of port authentication control. However, when I was checking out the encryption settings for my wireless I found 802.1X in a drop down along with WPA2, WPA and WEP, but I don't see how it can be an alternative for…
Jason
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How can I find Protected EAP credentials of a wireless network stored on Windows 7?

I need to remember the authentication credentials (username/password) of the wireless network on which I am connected. There is a way to reveal those informations on Windows 7? The wireless network is protected with WPA2-Enterprise AES, with…
MrMoog
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Do Wi-Fi router antennas rotate their direction in relation to the Wi-Fi device?

Do Wi-Fi router antennas rotate their direction based on the location of the device they are talking to? For example, based on MIMO, triangulation and other factors? For example, if I keep my device still and in one location will the transfer rate…
1.21 gigawatts
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How can I quickly set up a lab with 802.1x wired authentication? (without a switch)

I want to experiment with 802.1x wired authentication and I don't have a switch with such capability. How can I quickly set up a lab for that purpose? (e.g. take a Linux machine and make it act like a switch with 802.1x wired authentication)
tal
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Is there an open source software to run a 802.1x authenticator (ie. NAS) within Linux?

I have the following setup: ____________ [Windows PC1] ---------| | | Linux Box |----------[Internet] [Windows PC2] ---------|____________| | …
MiniQuark
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Is there an open source implementation of an 802.1X authenticator?

I'm aware of Xsupplicant, but it seems to only implement the "client" side of the handshake. The authenticator side, which handles the other side of the EAPOL handshake, and interfaces to RADIUS (presumably FreeRADIUS for our testing) I don't see…
Glenn Connery
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Make wpa_supplicant ignore server certificate trust

How do I make wpa_supplicant accept any server certificate for PEAP MSCHAPv2 without having to manually put the public key in the client config?
Monstieur
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Does 802.1X and RADIUS prevent rogue APs?

I was discussing with a colleague today and he seemed to think that if you use 802.1X it allows users to realise if they are connecting to a rogue access point. I dont understand this though, surely if you believe a rogue access point was the…
Jason
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802.1X: Certificate for computer authentication

I'm setting up wired 802.1X authentication using EAP-TLS on Windows 7. There's a distinction between "User authentication" (authentication is done after the Windows logon, using the user's personal certificate) and "Computer authentication"…
Bad Idea
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802.1x with Hyper-V

We are using 802.1x authentication inside the corporate network. When I installed HyperV Virtual Switch on my machine to let the VM into the network, the host lost its network connectivity. I came upon a post on an MS support forum that 802.1x with…
Maxim V. Pavlov
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Is that possible that 802.11b is better in crowded environment than 802.11g?

I've changed my AP operational mode to 802.11b+g (mixed) from 802.11b. Both the RTT and bandwidth dropped heavily. When I've switched back to 802.11b on my AP, the connection was much better. Is that possible, or I'm missing something that misguided…
Dyin
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Automatic Wifi connection before Windows logon

Can I force an automatic connection to a specific Wifi network before the logon? I want to enable my users to connect with their domain credential using the company wifi network during the login. Otherwise they login with cached credentials. I have…
Tobia
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WiFi Enterprise / 802.1x / PEAP / Windows RADIUS: Multiple devices fail to connect when using the same authentication details

I'm having trouble getting multiple devices to establish a WiFi connection when they use the same authentication details. Here's a bit about my wireless setup: Single access point using WPA2 Enterprise (802.1X) -- Linksys WAP4400N (yep it's pretty…
Adambean
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802.1X bypass / MAC spoof prevention

I was wondering if it's possible to prevent MAC spoofing / 802.1X bypass techniques as described here: https://www.defcon.org/images/defcon-19/dc-19-presentations/Duckwall/DEFCON-19-Duckwall-Bridge-Too-Far.pdf I have searched for a while now, and…
CookieAndPizza
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Docker for Windows / Hyper-V with 802.1x authentication

After installing Docker for Windows on my Windows 10 Enterprise (1607) machine, I can no longer authenticate onto the 802.1X-enabled wired network. This seems to be related to Docker for Windows's dependency on Hyper-V. Disabling the Hyper-V Virtual…
jjlin
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