AWS - Security Groups and Network ACLs
What is a key difference between Security Groups and Network ACLs in AWS?
What is a key difference between Security Groups and Network ACLs in AWS?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall statefulness of Security Groups
Security Groups are stateful, meaning return traffic is automatically allowed.Step 2: Recall statefulness of Network ACLs
Network ACLs are stateless, so return traffic must be explicitly allowed.Final Answer:
Security Groups are stateful; Network ACLs are stateless -> Option AQuick Check:
Stateful = Security Groups, Stateless = NACLs [OK]
Quick Trick: Stateful remembers return traffic; stateless does not [OK]
Common Mistakes:
MISTAKES- Mixing up stateful and stateless properties
- Assuming both operate at the same network level
- Thinking NACLs are stateful
Master "Security Groups and Network ACLs" in AWS
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