WLC central web authentication and http management

[Xeladona]

Hi Guys,

i'm having strange issue with my wlc (9800-CL) and central web authentication with ISE

Everithing works fine and if i connect to mu guest (both with mobile or PC) i'm immediately redirected to the web portal (PC) and my mobile show a pop up for authenticating the network.

If i disable on the wlc the http (port 80) management i have different be behavior and i have to open the browser to be redirected to the web portal?

any idea about this?

(i would like to disable http access and still maintain autmatic redirect)

[Rich R · Accepted solution]

Captive portal detection on all device types uses http (port 80, unencrypted) because it's impossible to use https because of certificate mismatches on redirects.  On a browser you can manually bypass the invalid certificate warnings (depending on browser type/version and OS) but it would be unsafe to do that automatically in a captive portal assistant. So if you want that functionality to work then you have no choice but to leave http enabled.