diff --git a/comfyui_manager/common/manager_security.py b/comfyui_manager/common/manager_security.py
new file mode 100644
index 00000000..6f0775aa
--- /dev/null
+++ b/comfyui_manager/common/manager_security.py
@@ -0,0 +1,36 @@
+from enum import Enum
+
+is_personal_cloud_mode = False
+handler_policy = {}
+
+class HANDLER_POLICY(Enum):
+    MULTIPLE_REMOTE_BAN_NON_LOCAL = 1
+    MULTIPLE_REMOTE_BAN_NOT_PERSONAL_CLOUD = 2
+    BANNED = 3
+
+
+def is_loopback(address):
+    import ipaddress
+    try:
+        return ipaddress.ip_address(address).is_loopback
+    except ValueError:
+        return False
+
+
+def do_nothing():
+    pass
+
+
+def get_handler_policy(x):
+    return handler_policy.get(x) or set()
+
+def add_handler_policy(x, policy):
+    s = handler_policy.get(x)
+    if s is None:
+        s = set()
+        handler_policy[x] = s
+    
+    s.add(policy)
+    
+    
+multiple_remote_alert = do_nothing