Ensure NACLs restrict inbound traffic
Network ACLs should restrict inbound traffic at the subnet level, providing an additional layer of security beyond security groups.
Security Impact
Overly permissive NACLs allow traffic that may bypass security group restrictions.
How to Remediate
Configure NACL inbound rules to allow only required traffic. Remember NACLs are stateless - configure both inbound and outbound rules.
Affected Resources
Compliance Frameworks
How TigerGate Helps
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- Compliance Evidence
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- Drift Detection
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Check Details
- Check ID
- aws-vpc-6
- Service
- Virtual Private Cloud (VPC)
- Category
- Network Security
- Severity
- MEDIUM
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