Hello,
We're using a UTM appliance inside of a Amazon VPC. We have adapters on the UTM attached to both the public and private VPCs and have setup a NAT Masquerade rule going from the Private Network to the Public network. The machines in the Private network are set to use the UTM as their default gateway. We do have VMs in the Public subnet and when we connect to those machines from a machine in the Private network the source address appears to be that of the UTM rather than that of the private network machine.
When I turn off the NAT rule the traffic comes through with the correct source address so its definitely the UTM rewriting the packets.
This is causing some problems for our software since it needs the source address of the packets to be that of the private network machine. Is there anyway to tell the UTM not to rewrite packets that are going to a machine in the Public subnet? I tried adding a static route but that didn't work.
Eric
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