[Solved] Given this AWS Application Load Balancer listener configuration:Listener: HTTPS on port 443 with SSL certificateWhat happens if a client sends an HTTP request to port 80? | AWS

AWS - Elastic Load Balancing

Given this AWS Application Load Balancer listener configuration:
Listener: HTTPS on port 443 with SSL certificate
What happens if a client sends an HTTP request to port 80?

AThe request is forwarded to backend servers without encryption

BThe request is accepted as plain HTTP without encryption

CThe request is automatically redirected to HTTPS on port 443

DThe request is rejected with a connection error

Step-by-Step Solution

Solution:

Step 1: Check listener configuration for port 80
No listener is defined on port 80, so the load balancer does not accept HTTP requests.
Step 2: Understand behavior without HTTP listener
Without an HTTP listener, requests to port 80 fail with connection errors.
Final Answer:
The request is rejected with a connection error -> Option D
Quick Check:
No HTTP listener = connection error on port 80 [OK]

Quick Trick: No HTTP listener means HTTP requests fail, no redirect [OK]

Common Mistakes:

Assuming automatic HTTP to HTTPS redirect without listener
Thinking HTTP requests are accepted without encryption
Confusing backend server behavior with load balancer

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More AWS Quizzes

Given this AWS Application Load Balancer listener configuration:

Step 1: Check listener configuration for port 80

Step 2: Understand behavior without HTTP listener

Final Answer:

Quick Check:

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