only display warning if not started as wsgi

radicale/auth/__init__.py

@@ -30,9 +30,10 @@ Take a look at the class ``BaseAuth`` if you want to implement your own.
 """
 
 import hashlib
+import os
 import threading
 import time
-from typing import Sequence, Set, Tuple, Union, final
+from typing import List, Sequence, Set, Tuple, Union, final
 
 from radicale import config, types, utils
 from radicale.log import logger
@@ -71,6 +72,8 @@ def load(configuration: "config.Configuration") -> "BaseAuth":
     elif _type == "denyall":
         logger.warning("All user authentication is blocked by: '[auth] type=denyall'")
     elif _type in INSECURE_IF_NO_LOOPBACK_TYPES:
+        sgi = os.environ.get('SERVER_GATEWAY_INTERFACE') or None
+        if not sgi:
             hosts: List[Tuple[str, int]] = configuration.get("server", "hosts")
             localhost_only = True
             address_lo = []