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Connecting to Neptune

  • Ensure that Graph Explorer has access to the Neptune instance by being in the same VPC or VPC peering.
  • If authentication is enabled, read query privileges are needed (See ReadDataViaQuery managed policy).

Authentication

Authentication for Amazon Neptune connections is enabled using the SigV4 signing protocol.

To use AWS IAM authentication, you must run requests through a proxy endpoint, such as an EC2 instance, where credentials are resolved and where requests are signed.

To set up a connection in Graph Explorer UI with AWS IAM auth enabled on Neptune, check Using Proxy-Server, then check AWS IAM Auth Enabled and type in the AWS Region where the Neptune cluster is hosted (e.g., us-east-1).

For further information on how AWS credentials are resolved in Graph Explorer, refer to this documentation.
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