HII.. Hinz
I to have a same problem, i have set up captive portal for wlan users they are able to get the web login page and redirect sucessfully when the wlan is assigned with a vlan that does't have proxy.
Where the Wlan with proxy i.e enabled in web browser is not able to redirect to the orgianl page they are looking for after loging in. We dont have any internal DNS server all we use is public server.
can u help with the same....
Is is compulsory to have internal DNS.