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Policy: AWS > EC2 > Instance > Metadata Service > HTTP Token Hop Limit

The number of network hops that the metadata token can travel.

How this value is compared against the instance's actual hop limit is controlled by the Comparison Mode policy: with Exact match (the default) the instance must use exactly this value; with Maximum the value is treated as a ceiling and a lower (more restrictive) hop limit is also compliant.

The larger the number, the further instance metadata requests can travel.

Maximum is 64.

Targets

This policy targets the following resource types:

  • AWS > EC2 > Instance

Primary Policy

This policy is used with the following primary policy:

  • AWS > EC2 > Instance > Metadata Service

Related Policies

  • Comparison Mode

Controls

Setting this policy configures this control:

  • AWS > EC2 > Instance > Metadata Service

Policy Packs

This policy setting is used by the following policy packs:

  • Enforce IMDSv2 for AWS EC2 Instances

Policy Specification

Schema Type
number
Default
1

Category

  • Resource > Data Protection

In Your Workspace

  • Policy Settings by Type report

Developers

    Category URI
    • tmod:@turbot/turbot#/control/categories/resourceDataProtection
    • Policy Type URI
    • tmod:@turbot/aws-ec2#/policy/types/instanceMetadataServiceTokenHopLimit
    • GraphQL
    • query policyType(id: "tmod:@turbot/aws-ec2#/policy/types/instanceMetadataServiceTokenHopLimit") { … }
    • query policySettings(filter: "policyTypeId:'tmod:@turbot/aws-ec2#/policy/types/instanceMetadataServiceTokenHopLimit'") { … }
    • query policyValues(filter: "policyTypeId:'tmod:@turbot/aws-ec2#/policy/types/instanceMetadataServiceTokenHopLimit'") { … }
    • CLI
    • Get Policy Type
    • turbot graphql policy-type --id "tmod:@turbot/aws-ec2#/policy/types/instanceMetadataServiceTokenHopLimit"
      • Get Policy Settings
    • turbot graphql policy-settings --filter "policyTypeId:tmod:@turbot/aws-ec2#/policy/types/instanceMetadataServiceTokenHopLimit"
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