Imds properties for login nodes - AWS ParallelCluster

Access to the login node's IMDS (and the instance profile credentials) is restricted to root user, cluster administrative user (pc-cluster-adminby default) and operating system specific default user (ec2-useron Amazon Linux 2 and RedHat, and ubuntuon Ubuntu 18.04.

To restrict IMDS access, AWS ParallelCluster manages a chain ofiptables.

Note

Any customization ofiptablesorip6tablesrules can interfere with the mechanism used to restrict IMDS access on the login node.See also Imds property setting.

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Document Conventions

Storage for login nodes