Mods
AWS

Policy: AWS > CIS v1.4 > 4 - Monitoring > 4.11 - Ensure a log metric filter and alarm exist for changes to Network Access Control Lists (NACL) (Automated)

Configures auditing against a CIS Benchmark item.

Level: 2 (Scored)

Real-time monitoring of API calls can be achieved by directing CloudTrail Logs to CloudWatch Logs and establishing corresponding metric filters and alarms. NACLs are used as a stateless packet filter to control ingress and egress traffic for subnets within a VPC. It is recommended that a metric filter and alarm be established for changes made to NACLs.

Resource Types

This policy targets the following resource types:

Primary Policy

This policy is used with the following primary policy:

Controls

Policy Specification

Schema Type
string
Default
Per AWS > CIS v1.4 > 4 - Monitoring
Valid Values [YAML]
  • Per AWS > CIS v1.4 > 4 - Monitoring
    
  • Skip
    
  • Check: Level 2 (Scored)
    

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