Pete Biggs wrote:
Yes, I do it frequently with my phone.  You do it once and it remembers
it. My phone is more often on wifi than on 4G when I'm in a town.

And you need to install certificates or enter a password or something?

Yes. Just once, then things are remembered and you can seemlessly roam
between various APs and networks.

What do you need internet access so urgently for while you´re in a shop?

Because you get faster data rates and in the middle of a big shop you
don't get a phone signal.

How do you get faster data rates?  In a shop that even has a 100Mbit internet
connection and 50 customers using it, you would get only 2Mbit.

4G isn't ubiquitous, 3G/EDGE is still common - and phone networks are
patchy and slow.

Then why do ppl pay so much for it?

How do the shops prevent you from getting a phone signal?

Why "prevent"?

They somehow have to prevent you, or you would get a signal.

> I never said that. Shops are essentially big metal boxes
  covered in wires and fluorescent lights, with the phone transmitter
outside and an indeterminate distance away. Phone signals are weak and
attenuated by the big metal box so your phone gives up on the network.

Phone signals are fine here.  We would need to somehow block the signals.

Shops provide a "free" wifi as a service to its customers (nothing is
free, they get the chance to harvest information about your presence in
the store - if you don't like it, don't use their wifi, it's not


In general the user knows nothing about RADIUS - you are presented with
a username/password box when you first connect to the wifi and that is

Those are particularly painful to enter, but I guess it could be used
for some customers.

<sigh> yes, mobile devices can be awkward to type on. If they had full
size keyboards they wouldn't be easy to fit in your pocket.

RADIUS is a very mature technology and as such there are lots of ways
of using it.

Well, I don´t know about any of this.  I found out that RADIUS is probably
what I could or should use to get things working as intended, so I tried to
find documentation on /how/ to use it and found nothing but documentation which
says that it could be used, which I already know.

RADIUS is just the authentication mechanism. Often that is a backend
process and comes along with something that says "authentication can be
provided by LDAP, RADIUS or ....".

Something like?

All the other things like PXE or WPA
or 802.1x or VPN or whatever is frontend technology and use a RADIUS
server to authenticate.

I thought PXE doesn´t?
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