|The EC2 security group must be defined in the AWS region where the cluster resides.|
For an overview of CIDR blocks, see the Wikipedia article on Classless Inter-Domain Routing.
You must also associate the security group with a cluster so that clients running on these IP addresses or the EC2 instance are authorized to connect to the cluster. For information about managing security groups, go to Working with Security Groups in the Amazon Redshift Management Guide.
- request (AuthorizeClusterSecurityGroupIngressRequest)
- Container for the necessary parameters to execute the AuthorizeClusterSecurityGroupIngress service method.
The specified CIDR block or EC2 security group is already authorized for
the specified cluster security group.
The authorization quota for the cluster security group has been reached.
The cluster security group name does not refer to an existing cluster
The state of the cluster security group is not |