Captive Network Issue

Question

Created Aug ’21

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I am attempting to use the new captive network DHCP advertisement in option 114 as described here: https://developer.apple.com/news/?id=q78sq5rv, but the device never attempts to query the url specified in the option. I tested it using Android 11 which also has the captive portal option 114 implementation and it worked on that device(Device queried the url specified). I used packet capture to verify.

Someone else has had the same issue as well: https://developer.apple.com/forums/thread/660827

Anyone have any updated information regarding this? Thanks.

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Answer 1

guglielmodev OP

Sep ’21

Hi, we have the same issue (tested with iOS 15 RC) and as of now we haven'f found a viable way to use this feature.

The first time the phone opens the captive it never calls the user-portal-url, but we noticed that if we tap on the same SSID again after closing the captive portal, this time the captive re opens with the correct url.

It doesn't seem like this should be the correct behavior, as in Android it works as expected.

Thank you and best regards

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