Glossary
Network Access Control List (NACL)
NACLs are security checkpoints at subnet borders - they check traffic coming in and going out without remembering previous connections.
What is Network Access Control List (NACL)?
Stateless firewall rules at the subnet level controlling traffic into and out of subnets.
Why Should You Care?
NACLs provide an additional layer of network defense. Combined with security groups, they create defense in depth.
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Real-World Example
A NACL blocks all traffic from known malicious IP ranges at the subnet level, protecting all resources within.
How to Protect Against Network Access Control List (NACL)
- 1.
Implement NACLs for additional subnet protection
- 2.
Block known malicious IP ranges at NACL level
Related Terms
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