Breaking the internet (hotels, guestnet style)

Tue Dec 8 09:14:53 UTC 2009

> This really should be a DHCP option which points to the authentification
> server using ip addresses.  This should be return to clients even
> if they don't request it.  Web browers could have a hot-spot button that
> retrieves this option then connects using the value returned.

Unfortunately, that's not how DHCP works. If you send the client a 
DHCP option which the client has not requested, you have no idea if
the client will use (or for that matter even *understand*) the option.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no