The captive portal works on a MAC and IP Address level.  If you are running
the users through a proxy server, they are hitting the proxy and that
machine (the proxy) is performing the web surfing on their behalf.  If the
proxy is getting out, I'm assuming you've configured the captive portal to
have a pass-through MAC or IP Address for the proxy.  

There really isn't anything to fix, as the captive portal is working as
designed.  

Perhaps if you can explain the way you want things to work, someone can
offer a suggestion on how to achieve that.  

Unless you are saying that people who have their web browsers configured to
use a proxy server (at another location?) aren't hitting your captive portal
page when they come to your business, and therefore can't surf.  I don't
really know of any fix for this, if that's the problem, other than having
the end-user reconfigure their browser to avoid using a proxy server.

Paul

-----Original Message-----
From: Krzysztof Syguda [mailto:ks at koszecin dot net dot pl] 
Sent: Thursday, March 16, 2006 5:26 PM
To: m0n0wall at lists dot m0n0 dot ch
Subject: [m0n0wall] Captive portal dont work when proxyserver is configured
in web browser

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?

KS

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