2 * OpenVPN -- An application to securely tunnel IP networks
3 * over a single TCP/UDP port, with support for SSL/TLS-based
4 * session authentication and key exchange,
5 * packet encryption, packet authentication, and
8 * Copyright (C) 2002-2009 OpenVPN Technologies, Inc. <sales@openvpn.net>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2
12 * as published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program (see the file COPYING included with this
21 * distribution); if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
32 * Initial default --ping-restart before --pull
34 #define PRE_PULL_INITIAL_PING_RESTART 120 /* in seconds */
36 extern const uint8_t ping_string
[];
38 /* PING_STRING_SIZE must be sizeof (ping_string) */
39 #define PING_STRING_SIZE 16
42 is_ping_msg (const struct buffer
* buf
)
44 return buf_string_match (buf
, ping_string
, PING_STRING_SIZE
);