AWS - Elastic Load Balancing
Given an AWS Application Load Balancer with SSL termination enabled on port 443, what will be the protocol of traffic forwarded to backend instances if configured with HTTP listeners on port 80?
Given an AWS Application Load Balancer with SSL termination enabled on port 443, what will be the protocol of traffic forwarded to backend instances if configured with HTTP listeners on port 80?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand SSL termination effect on backend traffic
SSL termination decrypts traffic at the load balancer, so backend receives unencrypted traffic.Step 2: Identify backend listener protocol
If backend listener is HTTP on port 80, traffic forwarded is HTTP (unencrypted).Final Answer:
HTTP -> Option DQuick Check:
Backend traffic after termination = HTTP [OK]
Quick Trick: Backend protocol matches listener after SSL termination [OK]
Common Mistakes:
MISTAKES- Assuming backend traffic remains HTTPS
- Confusing TCP/UDP with HTTP/HTTPS
- Ignoring listener port configuration
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