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New AWS VPN Options

doncornelius
AWS announced new VPN options today https://aws.amazon.com/blogs/aws/ec2-vpc-vpn-update-nat-traversal-additional-encryption-options-and-more/.

I'm hoping the UTM auto-magic VPC VPN setup feature gets updated to take advantage of this soon (I should put in a feature request ticket).

I'm most interested in the NAT-T option.  I'm hoping this will help me save money on my UTM EC2 instances?  Currently, I need separate ENI (network interface) for each VPN tunnel to a VPC, meaning I to spend more money on larger EC2 instances to accomodate additional interfaces.  I don't have this issue for nailing up a tunnel between my UTM EC2 and multipe physical UTMs - I can share a single interface.  Anyone have an idea if NAT-T will get around this problem?

And I'll be happy to upgrade from AES-128 to AES-256 for tunnels to VPCs!  Been hoping that would be an option for a while.


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