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I have a website hosted in Amazon Web Services (AWS) that uses Elastic Compute Cloud (EC2) instances behind an Elastic Load Balancer (ELB). The load balancer is the newer "application" type. I've...
#2: Post edited
by
Stephen Ostermiller
·
2023-07-10T17:36:54Z (over 1 year ago)
#1: Initial revision
by
Stephen Ostermiller
·
2023-07-10T17:16:31Z (over 1 year ago)
In AWS, do you need to use IPv6 on EC2 to enable IPv6 with an ELB?
I have a website hosted in Amazon Web Services (AWS) that uses Elastic Compute Cloud (EC2) instances behind an Elastic Load Balancer (ELB). The load balancer is the newer "application" type. I've tried unsuccessfully to make the site available over IPv6 in addition to IPv4. I have: - Enabled IPv6 on the ELB - Added `AAAA` records to my DNS that point to the ELB. IPv6 still isn't working. I suspect it is because my EC2 instances don't support IPv6. I think that when the ELB receives a request over IPv6, it tries to forward it to EC2 over IPv6. I was hoping that I could have the ELB talk to EC2 only over IPv4. I haven't found any configuration for making that happen. Do I need to enable IPv6 on all my EC2 instances, or is there a way to configure the ELB to terminate the IPv6 connection and talk to EC2 over IPv4?