HTTPS quiz

Test your HTTPS knowledge with a free interactive quiz — 24 questions with answers and explanations. No signup needed to play.

What typically happens when a user visits `http://` on a site that enforces HTTPS?

1. What typically happens when a user visits `http://` on a site that enforces HTTPS?
2. What default TCP port does HTTPS use?
3. Which protocol provides the encryption layer under HTTPS today?
4. What is a certificate chain (chain of trust)?
5. Why does a browser warn about a self-signed certificate?
6. What primarily happens during the TLS handshake?
7. Why is running an admin login page over plain HTTP dangerous even on an internal network?
8. What does SNI (Server Name Indication) solve?
9. What is certificate expiration meant to limit?
10. When you request `https://example.com/secret?token=abc`, what is encrypted by TLS?
11. Which three security properties does HTTPS provide for the connection?
12. Against which attack does HTTPS most directly protect?

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