URLs and domains that OS-es use to detect Captive Portals
Posted by jpluimers on 2017/05/11
OS X
Android / Chromebook:
- clients3.google.com
iOS 6:
- gsp1.apple.com
- *.akamaitechnologies.com
iOS 7:
- http://www.appleiphonecell.com
- http://www.airport.us
- *.apple.com.edgekey.net
- *.akamaiedge.net
- *.akamaitechnologies.com
iOS 8/9:
- http://www.apple.com/library/test/success.html
- http://captive.apple.com/hotspot-detect.html
- http://captive.apple.com
- http://www.ibook.info
- http://www.itools.info
- http://www.thinkdifferent.us
Windows
- ipv6.msftncsi.com
- http://www.msftncsi.com
- http://www.msftncsi.com/ncsi.txt
- dns.msftncsi.com (DNS resolves to 131.107.255.255)
Amazon Kindle (Fire)
OS X settings are in:
- /Library/Preferences/SystemConfiguration/CaptiveNetworkSupport/Settings.plist
–jeroen
via:
- An undocumented change to Captive Network Assistant settings in OS X 10.10 Yosemite | On the Subject Of Macs
- local area network – Captive portal popups: the definitive guide – Server Fault
- Appendix K: Network Connectivity Status Indicator and Resulting Internet Communication in Windows Vista
- Windows 7 Network Awareness: How Windows knows it has an internet connection « Super User Blog
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