A security group is for use with instances either in the EC2-Classic platform or in a specific VPC. For more information, see Amazon EC2 Security Groups in the Amazon Elastic Compute Cloud User Guide and Security Groups for Your VPC in the Amazon Virtual Private Cloud User Guide.
Version: (assembly version)
public virtual DescribeSecurityGroupsResponse DescribeSecurityGroups()
Supported in: 4.5, 4.0, 3.5