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Re: [cat-users] Captive portal, CAT and Mac

From: Christian Rank <christian.rank AT uni-passau.de>
To: cat-users AT geant.net
Subject: Re: [cat-users] Captive portal, CAT and Mac
Date: Wed, 02 Jul 2014 16:12:44 +0200
List-archive: <http://mail.geant.net/pipermail/cat-users/>
List-id: "The mailing list for users of the eduroam Configuration Assistant Tool \(CAT\)" <cat-users.geant.net>

On 01.07.2014 23:28, Vidar Kværnø Stokke wrote:
> Hi.
>
> This is not directly related to Eduroam CAT, but the deployment of CAT to
> our users suffers from this kind of weird problem.
>
> We are currently struggling with a problem regarding Mac OS-X, CAT and a
> captive portal.
>
> The thing is that we have a captive portal on an SSID in our network. This
> SSID is primarily there to provide the Eduroam CAT to users without a
> working Eduroam configuration on their device. Eduroam CAT executables for
> the different operating systems are located locally on the web server
> hosting the captive portal.
>
> But, Mac OS-X users are struggling to download the tool from the portal. It
> seems that Mac OS-X does not allow anything else but web traffic in a phase
> where the client is not authenticated on the captive portal. So the cannot
> follow a link to for instance eduroam-MacOS-Mavericks-NTNU-N.mobileconfig.
> When I try to access the same file with a Windows laptop it works
> perfectly.
>
> Has anyone else experienced this?
>
>

Hi Vidar,

this could be due to Apple's autologin function:

Apple devices test on establishing a network connection if they can access
> http://www.apple.com/library/test/success.html

If this fails, the devices prompt for a "login".

Solution: Redirect requests for the page mentioned above (should be no
problem on the captive portal) to a HTML file with the following content:

<HTML><HEAD><TITLE>Success</TITLE></HEAD><BODY>Success</BODY></HTML>

HTH,
Christian

--
Dr. Christian Rank
Rechenzentrum Universität Passau
Bereich Netzwerk und Telekommunikation
IT-Sicherheitsbeauftragter der Universität
Innstr. 33
D-94032 Passau
GERMANY
Tel.: 0851/509-1838
Fax: 0851/509-1802

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[cat-users] Captive portal, CAT and Mac, Vidar Kværnø Stokke, 07/01/2014
- Re: [cat-users] Captive portal, CAT and Mac, Christian Rank, 07/02/2014
  - Re: [cat-users] Captive portal, CAT and Mac, Vidar Kværnø Stokke, 07/04/2014