I installed an Astaro Security Gateway Software for the first time in order to protect my network from Internet and to create a DMZ. So, I installed Astaro on a PC with 3 Network cards.
But I have a big problem : Astaro routes traffic between the three networks (Internet, External and DMZ) but I don't want that. I want to make only NAT between networks.
I configure NAT between DMZ and External, Internal and External, Internal and DMZ.
I don't want traffic can go from DMZ to Internal but Astaro routes traffic between these two networks. I don't know how to disable routing.
In fact, when I don't configure NAT on any network, Astaro routes between all networks and I can't disable it.
How can I block or disable routing between these networks ?
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