AWS - Security Groups and Network ACLs
Which of the following is the correct way to allow inbound HTTP traffic on port 80 using a Security Group rule in AWS?
Which of the following is the correct way to allow inbound HTTP traffic on port 80 using a Security Group rule in AWS?
easy📝 Configuration Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify correct protocol and port for HTTP
HTTP uses TCP protocol on port 80, so the rule must allow inbound TCP traffic on port 80.Step 2: Confirm direction and source
Inbound traffic must be allowed from any IP (0.0.0.0/0) to accept public HTTP requests.Final Answer:
Allow inbound TCP traffic on port 80 from 0.0.0.0/0 -> Option CQuick Check:
HTTP = TCP port 80 inbound [OK]
Quick Trick: HTTP uses TCP port 80 inbound, not UDP or outbound [OK]
Common Mistakes:
- Allowing UDP instead of TCP
- Setting outbound instead of inbound
- Using wrong port like 22 (SSH)
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