From: "Krzysztof Syguda" <ks at koszecin dot net dot pl>
>I have problem with captive portal.
> If user have configured proxy server in web browser (eg on port 8080) he
> is not able to authenticate with captive portal.
> Only users without any proxy configured in web browser are able to reach
> captive portal page.
> How to fix it?
This is a limitation of every captive portal I have seen, including
commercial ones. It also fails with the AOL "browser" because it tries to
connect to AOL securely first as well. The fix is to turn off the proxy to
log in, or use autodetect settings in IE.