What is Android captive portal used for?

What is Android captive portal used for?

Often captive portals are used for marketing and commercial communication purposes. Access to the Internet over open Wi-Fi is prohibited until the user exchanges personal data by filling out a web-based registration form in a web browser.

How do you connect to a captive portal?

Configure Captive Portal Settings

1. Open Manage.
2. Select Configuration > Device Configuration > SSID Profiles.
3. Select an existing SSID profile or create a new profile.
4. Expand the Captive Portal section.
5. Select the Enable Captive Portal check box to display a portal page to be shown to clients on the guest network.

Why is Android’s captive portal detection not working?

If it does not, it assumes it is behind a captive portal, and pops up a browser window that opens the captive portal login. For some reason, when I tell nginx to respond to requests for the generate_204 page with either a 302 redirect, or even a 200 (with some text), Android doesn’t popup the browser.

How to get captive portal’s URL which I am?

So the answer is: Open an arbitrary web page in your favorite browser, and you’ll get redirected to the Captive Portal login page. From my own experiences, I recommend that you visit a website that does NOT use HTTPS, as encrypted connection may interfere with the redirection (Captive Portal redirection is in fact a man-in-the-middle).

Why is my WiFi not connecting to my captive portal?

If you’re having issues seeing or tapping the login or connect button on the captive portal, open the WiFi Portal Opener app. It’s really just a browser that loads the captive portal login screen.

What does 204 code mean for captive portal?

If it gets a 204 code, it assumes everything is fine. If it does not, it assumes it is behind a captive portal, and pops up a browser window that opens the captive portal login.