Gordon Messmer wrote:
On 02/22/2018 03:22 AM, hw wrote:
Gordon Messmer wrote:
Look for documentation on 802.11x authentication for the specific client you 
want to authenticate.

Thanks, I figured it is what I might need to look into.  How about
a client that uses PXE boot?

Provide PXE (dhcp, dns, tftp) on an unauthenticated VLAN.  Your original email 
suggested that you'd want users to auth before a system would boot, but that's 
probably not possible.  If you want to authenticate users via username and 
password using RADIUS, then there has to be an OS running to provide an 
interface in which they provide credentials.  It's not really clear how else 
you'd imagine that working.

I´m not sure how to imagine it.  It would be nice if every device connecting to
the network, wirelessly or otherwise, had to be authenticated --- and not only
the device, but also the user(s) using it.

There are devices that are using PXE-boot and require access to the company LAN.
If I was to allow PXE-boot for unauthenticated devices, the whole thing would be
pointless because it would defeat any security advantage that could be gained by
requiring all devices and users to be authenticated: Anyone could bring a device
capable of PXE-booting and get network access.

WiFi is pretty straightforward.  You're probably accustomed to authenticating 
with WPA2 Personal.  With RADIUS, you'll use WPA2 Enterprise.  Users will be 
asked for their RADIUS credentials when you select that  option.

That seems neither useful, nor feasible for customers wanting to use the
wireless network we would set up for them with their cell phones. Are
cell phones even capable of this kind of authentication?

Well, I guess I'm confused because having explained where you'd find the 
interface in which users will provide their RADIUS username and password, you 
think this process is unfeasible.  Perhaps you could explain what you're 
looking for, more precisely?

As a customer visting a store, would you go to the lengths of configuring your
cell phone (or other wireless device) to authenticate with a RADIUS server in
order to gain internet access through the wirless network of the store?

From what I´m being told, everyone already has internet access with their cell
phones from their phone service provider and is apparently happy with that
even though the amount of data they can transmit is ridiculously low.  So why
would anyone do any configuring and have to worry about protecting ther privacy
when and for using the wireless network of a shop they´re visting?

I have no idea what the lengths of configuring might be other than that anything
you try to do with a cell phone or a tablet is so extremely painful or outright
impossible that I only touch them when I get paid for it.  Perhaps RADIUS
authentication is easy with such devices.

Ethernet is fairly similar to WPA2 Enterprise for WiFi.  Under GNOME, for 
instance, you can open the Network configuration tool, click on the 
configuration gear for the wired connection, and then select the Security tab.  
Tun on 802.1x Security, and then you'll have the option to select an 
authentication type that matches your switch and RADIUS configuration.  This 
will vary from client platform to client platform, but it's basically the same 
as WiFi authentication:

I´m not using gnome; I recently tried it, and it´s totally bloated,
yet doesn´t even have a usable window manager.

OK.  I'm not sure how your opinion of GNOME is really relevant.  I'm describing 
it because it's an example that's probably within reach for both you and me, 
given that you and I are communicating via a GNU/Linux focused mailing list.

I'm sorry my voluntary attempt to help you out wasn't to your liking.

Don´t be sorry, there´s nothing wrong with your help, and I appreciate it.

Just keep in mind when you say that the opinions of users of software X are
irrelevant, software X itself is as irrelevant as the opinions.
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