Cyber Security Interview Questions and Answers › Cyber Security
Security group vs NACL: what is the difference?
Both are AWS firewalls. Stateful means return traffic is allowed by itself. Stateless means you must allow both directions. Picking the wrong one leaves ports open or blocks real users.
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Both are AWS firewalls. Stateful means return traffic is allowed by itself. Stateless means you must allow both directions. Picking the wrong one leaves ports open or blocks real users.
Learn more in the lesson: 30.3 Network Security in AWS