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Security groups are the core of AWS security. Each interface on an EC2 instance is managed by a security group. You can apply more than one security group to a single instance interface.
APEX Block Storage for AWS supports two types of security groups:
You must create a security group and policies before creating the ASW instances. AWS firewall controls are available for every security group to further protect any public-facing components from unauthorized access. After the wizard has completed the deployment, the customer is responsible for adjusting the firewall controls for the public security group.