[Solved] Why does AWS WAF evaluate rules in order of priority within a Web ACL? — Ans: To ensure the first matching rule determines the request action | AWS

AWS - Advanced Security

Why does AWS WAF evaluate rules in order of priority within a Web ACL?

ATo apply all rules simultaneously and combine their actions

BTo ensure the first matching rule determines the request action

CTo randomly select a rule to apply for each request

DTo log requests before applying any rules

Step-by-Step Solution

Solution:

Step 1: Understand rule evaluation order
AWS WAF processes rules by priority; the first rule that matches decides the action.
Step 2: Clarify behavior of rule actions
It does not combine actions or randomly select rules; logging is separate.
Final Answer:
First matching rule determines the request action -> Option B
Quick Check:
Rule priority controls first match action = A [OK]

Quick Trick: First matching rule's action is applied [OK]

Common Mistakes:

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Why does AWS WAF evaluate rules in order of priority within a Web ACL?