[PYTHON] What to do when "Invalid HTTP_HOST header" appears in Django

Event

Invalid HTTP_HOST header: '*.*.*.*:8000'. You may need to add '*.*.*.*' to ALLOWED_HOSTS.

error contents

Cause

settings.py


ALLOWED_HOSTS = []

Countermeasure ①

settings.py


ALLOWED_HOSTS = ['*']

Countermeasure ②

settings.py


ALLOWED_HOSTS = ['www.example.com']

Official documentation

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