from https://stackoverflow.com/questions/62529239/how-to-whitelist-ipv6-in-aws-security-group
- Add Rule to Security group for inbound traffic on port 22 for IPv6 address
- Edit VPC to Add IPv6 CIDR
- Add IPv6 CIDR to subnet
- Add Route to Route Table to allow ::/0 outbound for the internet (over an internet gateway)
- TODO: Add IPv6 to instance: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-instance-addressing.html#Assign-an-IPv6-address-to-an-instance
- TODO: Add
AAAA
record to domain mapping to IPv6 - TODO: Validate
AAAA
record on domain with DIG