Firewall with bridged interfaces and captive portal

Christopher Cowart ccowart at
Wed Dec 3 14:25:21 PST 2008

Olivier Nicole wrote:
> I need to implement a firewall with bridged interfaces that offers
> captive portal (authentication before opening the traffic).
> Is there any solution that exists?
> I looked at pfSense, but captive portal does not work on bridged
> interfaces; it's one or the other.
> Any other suggestion?


We are using a combination of squid+ipfw. Although we are NATing the
users, that really just introduces needless complexity that could be
avoided with a bridging solution.

Our web-app/captive portal/authentication program is written in-house;
it's very tightly integrated with several existing pieces of
infrastructure. I don't know if there are any solutions that will work

I can get you more technical details if this is a direction you'd be
interested in moving.

Chris Cowart
Network Technical Lead
Network & Infrastructure Services, RSSP-IT
UC Berkeley
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