once you're past the captive portal (i.e. the "gateway"), your connection is completely through the ISP. the guys who do the user login/auth dont really have th

once you're past the captive portal (i.e. the "gateway"), your connection is completely through the ISP. the guys who do the user login/auth dont really have that sort of url/content mangling control. and users wouldn't have it any other way. we both know that :)