I have a web application server (1) with https in a VPC. In another VPC an application server (2) is only available. And a managed mysql (3). I need to configure a DMZ (Firewall with NAT) to isolate the internal servers and at the same time allow the server (1) to access (2) and (3). Is it possible without configuring a specific gateway droplet?
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I believe that a firewall with NAT is not possible as of the time being.
What you could do is if you have all the resources in same VPC then you can restrict the traffic on server 2 and server 3 to server 1 and also isolate it from the internet.
Hope that this helps! Regards, Bobby