I have been able to connect an instance in a VPC private subnet to the UTM and make it available on the internal network and to users who VPN into UTM.
But, unless I have missed something, the AWS instance CANNOT access the Internet in AWS: traffic to the Internet has to come over the tunnel and out through the UTM (I wish this wasn't the case and don't want to run a NAT instance just to give the instance Internet access on an elastic IP). I got that info here. If anyone can suggest a way to overcome this restrictions, I'd appreciate your input.
Because the UTM has to handle Internet traffic for the remote AWS instance, I tried adding a simple ANY rule to the firewall. But the UTM is still dropping the packets. I have attached a screenshot of the rule and the firewall live log.
Can anyone help me understand why the UTM is dropping packets from the remote VPC instance?
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