System Design · Junior · Question 73 of 75

What does a reverse proxy (e.g. nginx) in front of app servers do?

✓Correct answer: Receives client requests and forwards them to backend servers, often adding TLS, caching, compression and load balancing
2Hides the user's IP from websites
3Runs the database

Explanation

Clients see one address while the backend can scale and change behind it.

Further reading

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