Django - Security Best Practices
A developer tries to set X_FRAME_OPTIONS = 'DENY' but still allows framing from their own domain. What is a likely cause?
A developer tries to set X_FRAME_OPTIONS = 'DENY' but still allows framing from their own domain. What is a likely cause?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Understand browser header precedence
Content-Security-Policy's frame-ancestors can override X-Frame-Options behavior.Step 2: Identify conflict cause
If frame-ancestors allows framing, X-Frame-Options DENY may be ignored by browsers.Final Answer:
The browser ignores X-Frame-Options if Content-Security-Policy frame-ancestors is set -> Option BQuick Check:
frame-ancestors overrides X-Frame-Options in browsers [OK]
Quick Trick: Content-Security-Policy frame-ancestors overrides X-Frame-Options [OK]
Common Mistakes:
MISTAKES- Blaming cache without checking headers
- Assuming middleware removal causes this
- Not knowing CSP can override clickjacking headers
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