Application Load Balancers and Network Load Balancers now support three new security policies for forward secrecy: ELBSecurityPolicy-FS-1-2-2019-08, ELBSecurityPolicy-FS-1-1-2019-08 and ELBSecurityPolicy-FS-1-2-Res-2019-08.

from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/10/application-load-balancer-and-network-load-balancer-add-new-security-policies-for-forward-secrecy-with-more-strigent-protocols-and-ciphers/