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A reverse proxy is not forwarding requests to backend servers. What is a common mistake causing this?

medium📝 Debug Q7 of 15
Node.js - Cluster Module
A reverse proxy is not forwarding requests to backend servers. What is a common mistake causing this?
AUsing too many worker processes in cluster.
BNot calling cluster.fork() in Node.js app.
CIncorrect backend server address or port in reverse proxy config.
DNot enabling HTTPS on backend servers.
Step-by-Step Solution
Solution:

  1. Step 1: Check reverse proxy configuration

    Incorrect backend server address or port prevents forwarding requests properly.

  2. Step 2: Eliminate unrelated causes

    Cluster worker count and HTTPS settings do not directly block reverse proxy forwarding.

  3. Final Answer:

    Incorrect backend server address or port in reverse proxy config. -> Option C

  4. Quick Check:

    Reverse proxy forwarding issue = C [OK]
Quick Trick: Verify backend address and port in proxy config [OK]
Common Mistakes:
  • Blaming cluster settings for proxy forwarding
  • Ignoring backend server address correctness
  • Assuming HTTPS is required for forwarding

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