/*
- * Sequence number / nonce mechanism
+ * Sequence number / nonce mechanism for udp tunnel
*
+ * mechanisms: nonce, sequence
* arguments: none
*
+ * restrictions: none
* encoding: prepend 4 bytes of sequence arithmetic serial number
- * decoding: check increasingness, or ignore
+ * decoding: check increasingness (sequence), or ignore (nonce)
+ */
+/*
+ * Copyright (C) 2000 Ian Jackson
+ *
+ * This 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 2 of the License, or
+ * (at your option) 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 userv-utils; if not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <netinet/in.h>