diff --git a/webtools/web-sniffer/buf.c b/webtools/web-sniffer/buf.c
index 6b61f2f08c3..f489a979def 100644
--- a/webtools/web-sniffer/buf.c
+++ b/webtools/web-sniffer/buf.c
@@ -1,3 +1,27 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is SniffURI.
+ *
+ * The Initial Developer of the Original Code is
+ * Erik van der Poel <erik@vanderpoel.org>.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2005
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * ***** END LICENSE BLOCK ***** */
+
 #include "all.h"
 
 #define bufBlock 2048
diff --git a/webtools/web-sniffer/buf.h b/webtools/web-sniffer/buf.h
index 917e0ca0d85..5e2a7d7b685 100644
--- a/webtools/web-sniffer/buf.h
+++ b/webtools/web-sniffer/buf.h
@@ -1,3 +1,27 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is SniffURI.
+ *
+ * The Initial Developer of the Original Code is
+ * Erik van der Poel <erik@vanderpoel.org>.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2005
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * ***** END LICENSE BLOCK ***** */
+
 #ifndef _BUF_H_
 #define _BUF_H_