[Solved] What does it mean that Network ACLs (NACLs) are stateless in AWS? — Ans: Each packet is checked independently without remembering previous packets | AWS

AWS - Security Groups and Network ACLs

What does it mean that Network ACLs (NACLs) are stateless in AWS?

ANACLs remember the state of connections to allow return traffic automatically

BEach packet is checked independently without remembering previous packets

CNACLs only filter traffic based on IP addresses, not ports

DNACLs automatically block all inbound traffic by default

Step-by-Step Solution

Solution:

Step 1: Understand the meaning of stateless
Stateless means the system does not keep track of previous packets or connection states.
Step 2: Apply this to NACLs
NACLs evaluate each packet on its own, without remembering if it is part of an existing connection.
Final Answer:
Each packet is checked independently without remembering previous packets -> Option B
Quick Check:
Stateless means no memory of past packets = A [OK]

Quick Trick: Stateless means no memory of past packets, check each separately [OK]

Common Mistakes:

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What does it mean that Network ACLs (NACLs) are stateless in AWS?