Official ConnMan IPv4
Checking...http://ipv4.connman.net/online/status.html
A minimal HTTP endpoint for ConnMan connectivity checks when an independent fallback is needed.
http://ipv4.connman.net/online/status.html
http://ipv4.connman-onlinecheck.net/online/status.html
Plain HTTP, no redirect, minimal body.
Useful when the default online-check endpoint is unavailable.
No cookies, forms, scripts, or browser interaction on the status endpoint.
[General] EnableOnlineCheck=true OnlineCheckMode=one-shot OnlineCheckIPv4URL=http://ipv4.connman-onlinecheck.net/online/status.html OnlineCheckIPv6URL=http://ipv6.connman-onlinecheck.net/online/status.html OnlineCheckConnectTimeout=5
/online/status.html. ConnMan online checks are commonly configured as plain HTTP requests.
HTTP/1.1 200 OK X-ConnMan-Status: online Content-Type: text/html <html> <head></head> <body></body> </html>
connman.conf(5) explains the online-check configuration options.