How to show a banner when connected to wi-fi?

Question

Computer networks

It is necessary to show the banner to the guest when connecting to wi-fi for the first time.
Hotspot - absent.
How is it generally done?

Answer 1

Ways to do this are described in some detail in Wikipedia .

Answer 2

You need a Captive portal , or a ready-made solution, for example, the Guest pages service on public Wi-Fi networks is suitable for you , if for some reason it is impossible to set up the Captive portal on your own.