Two servers disagree about where one request ends and the next begins. The scored answer explains the ambiguity, what an attacker gains, and why consistent parsing and HTTP/2 end to end fix it.
Make your first attempt
What would you say before reading the answer?
- 01 State the assumptions your answer depends on.
- 02 Explain the mechanism and choose a control.
- 03 Name a condition that would change your decision.
The worked answer includes an approach, scoring criteria and follow-up questions. Compare the reasoning with your own.
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