There some third-party firmware's that may do what you want...
http://www.sveasoft.com/content/view/20/1/
http://wrt-wiki.bsr-clan.de/index.ph...ported_Devices
I have no experience with them and as always...YMMV...
--
Al Jarvi (MS-MVP Windows Networking)
Please post *ALL* questions and replies to the news group for the
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"Oscar J. Piñón" <(E-Mail Removed)> wrote in message
news:%(E-Mail Removed)...
> Hello,
> I need to configure a WAP for a "hot spot" to provide wireless access to
> guests. However, guests are required to authenticate somehow as access to
> the wireless network must not be wide open. I know there are
> "Authentication Gateways" which display a webpage to the wireless client
> asking for credentials, but I have only found those that run on Linux.
>
> Would anyone know of a Authentication Gateway software that can be
> installed in a Windows platform? I would like to use a WRT54G ver 5 as
> the access point.
>
> Thanks for your help!
> Oscar Piñón
>