You deployed your Django app with DEBUG = False and ALLOWED_HOSTS = []. When accessing the site, you get a 400 Bad Request error. What is the likely cause?

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Django - Deployment and Production

You deployed your Django app with DEBUG = False and ALLOWED_HOSTS = []. When accessing the site, you get a 400 Bad Request error. What is the likely cause?

ADEBUG must be True to allow requests

BALLOWED_HOSTS is empty, so Django blocks all hosts

CStatic files are not collected

DDatabase settings are incorrect

Step-by-Step Solution

Solution:

Step 1: Analyze ALLOWED_HOSTS effect
An empty ALLOWED_HOSTS means no hosts are allowed, causing 400 errors.
Step 2: Understand DEBUG role
DEBUG False is correct for production; it does not cause 400 errors by itself.
Final Answer:
ALLOWED_HOSTS is empty, so Django blocks all hosts -> Option B
Quick Check:
Empty ALLOWED_HOSTS causes 400 error [OK]

Quick Trick: Empty ALLOWED_HOSTS blocks all requests [OK]

Common Mistakes:

MISTAKES

Thinking DEBUG True fixes 400 errors
Blaming static files for 400 errors
Assuming database issues cause 400 Bad Request

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More Django Quizzes

You deployed your Django app with DEBUG = False and ALLOWED_HOSTS = []. When accessing the site, you get a 400 Bad Request error. What is the likely cause?

Step 1: Analyze ALLOWED_HOSTS effect

Step 2: Understand DEBUG role

Final Answer:

Quick Check:

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