Correct Answer: No, use Network ACLs or equivalent for explicit deny rules
Security Groups typically support allow rules only. Network ACLs support both allow and deny rules, making them suitable for blocking unwanted IP addresses....
Correct Answer
No, use Network ACLs or equivalent for explicit deny rules
Why This Answer Is Correct
Security Groups typically support allow rules only. Network ACLs support both allow and deny rules, making them suitable for blocking unwanted IP addresses.
This question evaluates your knowledge of Network ACLs — a core concept tested in AWS Certified Security – Specialty. Understanding Network ACLs is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.
You need to explicitly deny traffic from a specific IP address to your Amazon EC2 instances. Can Security Groups natively handle explicit deny rules?
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What is a Network Access Control List (Network ACL)?
Are Network ACLs 'Stateful' or 'Stateless'?
What is the primary difference between a Security Group and a Network ACL?