1 files changed, 29 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Security/SecurityZone.cs b/src/mscorlib/src/System/Security/SecurityZone.cs
new file mode 100644
index 0000000000..a74b637846
--- /dev/null
+++ b/src/mscorlib/src/System/Security/SecurityZone.cs
@@ -0,0 +1,29 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// 
+//
+//  Enumeration of the zones code can come from
+//
+
+namespace System.Security
+{
+    using System;
+    using System.Runtime.InteropServices;
+
+    // The quick cache code depends on the values in this enumeration. Any change to this enumeration should
+    // be reflected in PolicyManager.GenerateQuickCache as well.
+    [ComVisible(true)]
+    [Serializable]
+    public enum SecurityZone
+    {
+        MyComputer   = 0,
+        Intranet     = 1,
+        Trusted      = 2,
+        Internet     = 3,
+        Untrusted    = 4,
+    
+        NoZone       = -1,  // No Zone Information
+    }
+}