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Date:      Mon, 11 Aug 2008 14:05:39 -0500
From:      CyberLeo Kitsana <cyberleo@cyberleo.net>
To:        Svein Halvor Halvorsen <svein.h@lvor.halvorsen.cc>
Cc:        Giorgos Keramidas <keramida@ceid.upatras.gr>, Matthias Apitz <matthias.apitz@oclc.org>, questions@freebsd.org
Subject:   Re: Free wireless network (access point, router, transparent HTTP proxy setup)
Message-ID:  <48A08D83.2060302@cyberleo.net>
In-Reply-To: <489DAB24.2090807@lvor.halvorsen.cc>
References:  <489D855C.6010903@lvor.halvorsen.cc> <878wv6tiry.fsf@kobe.laptop>	<20080809141717.GB12190@rebelion.Sisis.de> <489DAB24.2090807@lvor.halvorsen.cc>

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Svein Halvor Halvorsen wrote:
> An alternative to the inserted text in all http traffic (and
> probably easier to implement) is just to divert all unknown traffic
> to an internal ip-adress (using the firewall), and setup a web page
> on that address. Then have people click some button, which will
> rewrite the fw rules for that specific machine (white list).

I set something similar on my roommate's wireless network, and routinely 
use it on another server to inform banned users that they are. It's easy 
to set up for either a whitelist or a blacklist. It utilizes FreeBSD's 
IPFW, but is trivial to implement in PF as well.

http://wiki.cyberleo.net/index.php/FirewallRedirect

-- 
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-CyberLeo
Technical Administrator
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