How to whitelist an RDS endpoint
0
I need to whitelist an RDS Postgres endpoint in my security group. But the form only accepts CIDR block, SecurityGroup ID or Prefix list. How can I work around this?
asked 22 days ago42 views
1 Answers
2
When you add the security group rule, choose Custom, then input the ID of the RDS's Security Group (sg-abcdefg)
https://docs.aws.amazon.com/vpc/latest/userguide/VPC_SecurityGroups.html#adding-security-group-rules
In this way, you are whitelisting all instance that use that particular Security Group sg-abcdefg (Including the RDS instance)
To avoid over whitelisting, I would also suggest creating a dedicated Security Group for the RDS instance.
answered 22 days ago
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