10-16-2018 04:53 PM
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11-17-2018 08:36 AM
04-17-2019 12:09 PM
Some iOS devices are not redirected to the Captive Portal when the user gets connected to WiFi network with iOS device. The Captive Portal is not triggered automatically when is the testing domain accessible. If the testing domain is not accessible, CNA (Captive Network Assistant) popup is shown.
The iOS and Mac OS X devices check for the following domains which are hosted on Akamai network:
captive.apple.com
www.airport.us
www.thinkdifferent.us
and other domains used for this purpose by Apple
If the domain is accessible and returns "Success", the Captive Portal is not triggered automatically. "Success" response means the device is connected to the internet.
Check your Walled Garden settings or your FirewallPolicy.
The akamaihd.net and akamai.net domains and IP addresses have to be inaccessible to unauthenticated users