Josh McCormack wrote:

> My friend Bruno does something for a captive portal that I thought 
> might be interesting. Here's what he told me he does:
>
> "I do captive portal by redirecting trafic to local port 80 and
> using an modified http server (busybox http) to print a error
> page (with a redirect) to any page not found locally
>
> as the http server don't have any pages, all will be redirect
> to my main server (access to it is granted through the portal)."
>
> I asked him if I could share this with the m0n0wall list and he said:
> " you can share my idea freely but I don't think it will be "the"
>  solution for everyones cases... remember I force ppl to load
>  PPTP on top of their systems, and my "captive portal" only tells
>  the user to do so (for space constrainghts, redirecting to an
>  external server)
>
>  I feel ppl would like to include some sort of logging in capabilities
>  on the router itself, which is more like nocat and less more my
>  "solution" (unless "mpd" is installed on monowall)
>
>  but tell, anyway. perhaps ppl can make suggestions/improve the idea,
>  who knows?! :-)"
>
>
> Josh
>
>
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I'm not sure I understand why he is forwarding port 80 to the local 
server, and then in turn redirecting to the portal on another server.  
Why not simply forward the user directly to the portal on the second server?