You run manage.py check --deploy and get a warning about SECURE_CONTENT_TYPE_NOSNIFF. What is the likely cause?

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Django - Security Best Practices

You run manage.py check --deploy and get a warning about SECURE_CONTENT_TYPE_NOSNIFF. What is the likely cause?

AThe setting is set to True

BThe setting is missing or set to False

CThe setting is misspelled in settings.py

DThe setting is deprecated and ignored

Step-by-Step Solution

Solution:

Step 1: Understand the setting purpose
SECURE_CONTENT_TYPE_NOSNIFF prevents browsers from MIME sniffing, improving security.
Step 2: Identify cause of warning
If missing or False, the deploy check warns because this reduces protection against attacks.
Final Answer:
The setting is missing or set to False -> Option B
Quick Check:
Missing or False triggers warning = B [OK]

Quick Trick: Set SECURE_CONTENT_TYPE_NOSNIFF = True in production [OK]

Common Mistakes:

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