Chris,

Quick answer -

Networks of type protected are considered peers. And by default are NAT'ed between each other and have access to each other. You can place an outbound filter to deny access to each other network on their respective Interfaces. This will stop them from accessing each other.

You would only use Pass Through Filters if you had removed NAT (IP Pass Through) between both protected network.

PSN are a different case. They are not peers and are external to protected network.

David


At 11:17 AM 3/16/2005, Chris Green wrote:
I have a situation where I have set up two protected networks.  I was under
the impression that these networks would be isolated from each other, but it
appears the firewall is routing between them.  I tried setting up
pass-through filters denying the traffic, but the result is the same.  How
can I have a single GB-750 firewall serve two isolated networks with a
shared internet connection without allowing access across them?

Chris Green

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