Wifi idea...

for reminding purpose.


Topology

INTERNET<---- SQUID<----- GATEWAY <---- WIFI DEVICES <--- WIFI CLIENTS.

Details

-The request goes out from workstation,
going to the gateway,
going to proxy/cache,
when already it's in the cache it redirect request to a script that script can be a redirector or whatever.. before it goes out to the exact destination.

-Captive portal ,
-URL redirection:

• Refresh Meta tag and HTTP refresh header
  
• JavaScript redirects