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Why does Django's clickjacking protection middleware not support the ALLOW-FROM directive in X-Frame-Options header?

hard📝 Conceptual Q10 of 15
Django - Security Best Practices
Why does Django's clickjacking protection middleware not support the ALLOW-FROM directive in X-Frame-Options header?
ABecause ALLOW-FROM conflicts with Django's CSRF protection
BBecause ALLOW-FROM causes syntax errors in HTTP headers
CBecause ALLOW-FROM is deprecated and not supported by all major browsers
DBecause ALLOW-FROM requires additional database configuration
Step-by-Step Solution
Solution:

  1. Step 1: Understand browser support for ALLOW-FROM

    ALLOW-FROM is deprecated and not supported by most modern browsers.

  2. Step 2: Reason why Django excludes it

    Django avoids using ALLOW-FROM to prevent inconsistent behavior across browsers.

  3. Final Answer:

    Because ALLOW-FROM is deprecated and not supported by all major browsers -> Option C

  4. Quick Check:

    ALLOW-FROM deprecated, so Django does not support it [OK]
Quick Trick: ALLOW-FROM deprecated; use CSP frame-ancestors instead [OK]
Common Mistakes:
MISTAKES
  • Thinking ALLOW-FROM causes syntax errors
  • Assuming it conflicts with CSRF
  • Believing it needs database setup

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