[GH-ISSUE #885] Dev branch - iphone takes 30 seconds to hit captive portal #748

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opened 2026-02-28 01:26:53 +03:00 by kerem · 1 comment

kerem commented

2026-02-28 01:26:53 +03:00

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Originally created by @Daemach on GitHub (May 14, 2019).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/885

It takes a very long time for the captive portal to pop on this iphone (running iOS 12.2). In the serial monitor, the initial call to /hotspot-detect.html happens immediately and the debug info indicates that it was redirected to the captive portal but nothing happens. Then a flurry of requests happen 30 seconds later and the last one, to /library/test/success.html, seems to finally trigger the portal which pops immediately. It's as if the first redirect didn't deliver what the iphone expected from a captive portal and decided to test again.

Can't get the portal to pop from a windows laptop either.

What's the best way to use wireshark to capture this exchange to see what is happening?

Originally created by @Daemach on GitHub (May 14, 2019). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/885 It takes a very long time for the captive portal to pop on this iphone (running iOS 12.2). In the serial monitor, the initial call to /hotspot-detect.html happens immediately and the debug info indicates that it was redirected to the captive portal but nothing happens. Then a flurry of requests happen 30 seconds later and the last one, to /library/test/success.html, seems to finally trigger the portal which pops immediately. It's as if the first redirect didn't deliver what the iphone expected from a captive portal and decided to test again. Can't get the portal to pop from a windows laptop either. What's the best way to use wireshark to capture this exchange to see what is happening?