Amit Saha • 1/5/2018

Tip Terraform and AWS Security Group rules in EC2 classic

This technical article addresses a specific Terraform configuration issue when using the aws_security_group_rule resource with AWS EC2 classic. It details an error where the source security group is reported as non-existent, even when it is correctly defined. The solution provided is to use the security group's name attribute (aws_security_group.sg2.name) instead of its ID (aws_security_group.sg2.id) for the source_security_group_id parameter.

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#aws #Infrastructure As Code #Terraform