diff --git a/olah/configs.py b/olah/configs.py
index e6b954b..6701d5a 100644
--- a/olah/configs.py
+++ b/olah/configs.py
@@ -5,7 +5,7 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 
-from typing import List, Optional
+from typing import List, Optional, Union
 import toml
 import re
 import fnmatch
@@ -78,7 +78,7 @@ class OlahConfig(object):
     def __init__(self, path: Optional[str] = None) -> None:
 
         # basic
-        self.host = "localhost"
+        self.host: Union[List[str], str] = "localhost"
         self.port = 8090
         self.ssl_key = None
         self.ssl_cert = None
@@ -90,10 +90,10 @@ def __init__(self, path: Optional[str] = None) -> None:
 
         self.mirror_scheme: str = "http" if self.ssl_key is None else "https"
         self.mirror_netloc: str = (
-            f"{self.host if self.host != '0.0.0.0' else 'localhost'}:{self.port}"
+            f"{self.host if self._is_specific_addr(self.host) else 'localhost'}:{self.port}"
         )
         self.mirror_lfs_netloc: str = (
-            f"{self.host if self.host != '0.0.0.0' else 'localhost'}:{self.port}"
+            f"{self.host if self._is_specific_addr(self.host) else 'localhost'}:{self.port}"
         )
 
         self.mirrors_path: List[str] = []
@@ -105,6 +105,12 @@ def __init__(self, path: Optional[str] = None) -> None:
 
         if path is not None:
             self.read_toml(path)
+    
+    def _is_specific_addr(self, host: Union[List[str], str]) -> bool:
+        if isinstance(host, str):
+            return host not in ['0.0.0.0', '::']
+        else:
+            return False
 
     def hf_url_base(self) -> str:
         return f"{self.hf_scheme}://{self.hf_netloc}"
diff --git a/olah/server.py b/olah/server.py
index 2736f37..6eba6cf 100644
--- a/olah/server.py
+++ b/olah/server.py
@@ -713,6 +713,10 @@ def is_default_value(args, arg_name):
         args.ssl_cert = config.ssl_cert
     if is_default_value(args, "repos_path"):
         args.repos_path = config.repos_path
+    
+    # Post processing
+    if "," in args.host:
+        args.host = args.host.split(",")
 
     app.app_settings = AppSettings(
         config=config,