User guide
5. In the Add Connection Type dialog, do one of the following:
a. Add an ingress rule based on CIDR/IP.
• In the Connection Type box, click CIDR/IP.
• In the CIDR/IP to Authorize box, specify the range.
• Click Authorize.
b. Add an ingress rule based on an EC2 Security Group.
• Under Connection Type, select EC2 Security Group.
• Select the AWS account to use. By default, the account currently logged into the console is
used. If you select Another account, you must specify the AWS account ID.
• Click the name of the EC2 security group you want in the EC2 Security Group Name box.
• Click Authorize.
API Version 2012-12-01
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Amazon Redshift Management Guide
Managing Ingress Rules for a Cluster Security Group