Medium
EC2
Regional
EC2 VPN connections should use IKEv2 protocol
Description
Flags AWS Site-to-Site VPN connections whose tunnels do not support IKEv2. IKEv1 is the legacy keying protocol; tunnels should support IKEv2 at minimum.
Remediation
Modify each VPN connection's tunnel options to include ikev2 in IkeVersions.
Steps
- Open the Amazon VPC console and choose Site-to-Site VPN connections.
- Select the affected VPN connection and choose Modify VPN tunnel options.
- Under IKE versions, ensure ikev2 is selected for every tunnel.
- Save the changes.