[TriLUG] Drop and insert transparent firewall (OpenBSD)

John Beimler john at radiomind.com
Sun May 2 00:22:09 EDT 2004


Jon Carnes wrote:

>Jason Tower showed me a neat trick the other day - using OpenBSD to
>insert a Firewall/packet filter transparently into an existing network.
>
>[...]
>
>This does the trick rather nicely:
>http://www.openbsd.org/faq/faq6.html#Bridge
>
>  
>
and guess what? Linux can do it too: http://bridge.sourceforge.net/  
Shorewall (http://www.shorewall.net/) has a bridging config as well 
(http://shorewall.net/bridge.html)

Peace.

john



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