django的ALLOWED_HOSTS配置項

ALLOWED_HOSTS = []

默認爲空

當配置的時候是須要進行設置的，若是不設置會有這樣的錯誤：
Invalid HTTP_HOST header: '127.0.0.1:8000'. You may need to add '127.0.0.1' to ALLOWED_HOSTS.


若是DEBUG = True；默認 有ALLOWED_HOSTS = ['localhost', '127.0.0.1', '[::1]']