AWS Security groups for your Application Load Balancer (ALB)

https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-update-security-groups.html

See also

• AWS Security group (SG): aws ec2 [ create-security-group | describe-security-groups | delete-security-group | authorize-security-group-ingress | authorize-security-group-egress ]
• Security Group, DBSecurityGroup, aws_security_group, aws_security_group_rule, VpcSecurityGroupId, AWS::EC2::SecurityGroup