BYOD, iOS and Proxy - No CaptivePortal

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We are using an BYOD Wifi with a CaptivePortal and an contentfilter-proxy (squid) for students.
HTTP Traffic will be redirected through an transparent proxy, https needs proxyconfig on the device. 
Authenticating and access to the CaptivePortal works like a charm when there is no proxy configured on the ios device.
But after we configured the autoproxy.dat ( on the ios device or the Proxy manualy, the ios device will not prompt the CaptivePortal anymore. The autoconfig file has an exeption for all 1.x.y.z (Aerohive CP) adresses to access this direct. I ́ve also setup a walled garden in the Aerohive CP for the ios device to get his autoproxy file in port 88 from the proxy-host. 

What can we do to display the CP?

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Posted 1 year ago

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Alan Stephen Davies

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If this is BYOD...then frankly, I wouldn't be using a captive portal...because for several reasons they are a pain.  To start with - many devices get used without even going to web browser - because they are using an "APP"....possibly even the google APP (thinking they are going to web page).  The APP just doesn't work...and the user doesn't understand they need to do to web first.   Then you will presumably set a time limit on that authentication - which might be a day..but if its shared device in a school it might only be lesson.  Anyhow...what will happen if the authentication times out in the middle of using an APP...and again the user doesn't understand what has happened.

Much better to use Radius Authentication to identify the user when its BYOD....less hassle...