AWS Config Rule: EC2 IMDS Instance v2 Enabled
EC2_IMDSV2_CHECK
Fernando Honig
Last Update hace 6 meses
Description: Checks whether your Amazon Elastic Compute Cloud (Amazon EC2) instance metadata version is configured with Instance Metadata Service Version 2 (IMDSv2). The rule is NON_COMPLIANT if the HttpTokens is set to optional.
Trigger type: Configuration changes
AWS Region: All supported AWS regions except Africa (Cape Town), Asia Pacific (Osaka), Europe (Milan) Region
How to Resolve Manually
To resolve this manually, you can modify each instance Metadata Version option, and this can be done using the CLI or API.
How to Resolve with StackZone
You can resolve with StackZone by enabling the EC2 IMDSv2 Remediation.
Go to Provisioning -> Baseline Services -> AWS Config Rules Regional -> Amazon EC2 and enable EC2 Instance IMDS v2 Enabled Remediation
This will modify all instances in all regions.
Note: You should proceed cautiously and conduct careful testing before making any changes. Take note of the following:
If you enforce the use of IMDSv2, applications or agents that use IMDSv1 for instance metadata access will break.
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