diff --git a/scripts/vm/network/security_group.py b/scripts/vm/network/security_group.py
index de9d230f26e..97664fd33aa 100755
--- a/scripts/vm/network/security_group.py
+++ b/scripts/vm/network/security_group.py
@@ -1,4 +1,21 @@
 #!/usr/bin/python
+#
+# Copyright (C) 2010 Cloud.com, Inc.  All rights reserved.
+# 
+# This software is licensed under the GNU General Public License v3 or later.
+# 
+# It is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or any later version.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 import cloud_utils
 from cloud_utils import Command
 import logging
@@ -624,4 +641,4 @@ if __name__ == '__main__':
     elif cmd == "cleanup_rules":
         cleanup_rules()
     elif cmd == "post_default_network_rules":
-        post_default_network_rules(option.vmName, option.vmID, option.vmIP, option.vmMAC, option.vif, option.brname, option.dhcpSvr, option.hostIp, option.hostMacAddr)
\ No newline at end of file
+        post_default_network_rules(option.vmName, option.vmID, option.vmIP, option.vmMAC, option.vif, option.brname, option.dhcpSvr, option.hostIp, option.hostMacAddr)