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5b237745
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#!/usr/local/bin/php
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fb03ee88
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Scott Ullrich
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<?php
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5b237745
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Scott Ullrich
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/*
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vpn_openvpn.php
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Copyright (C) 2004 Peter Curran (peter@closeconsultants.com).
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All rights reserved.
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fb03ee88
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Scott Ullrich
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5b237745
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Scott Ullrich
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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fb03ee88
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Scott Ullrich
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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fb03ee88
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Scott Ullrich
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5b237745
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Scott Ullrich
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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fb03ee88
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Scott Ullrich
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Scott Ullrich
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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require("guiconfig.inc");
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require_once("openvpn.inc");
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if (!is_array($config['ovpn']))
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$config['ovpn'] = array();
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if (!is_array($config['ovpn']['server'])){
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$config['ovpn']['server'] = array();
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$config['ovpn']['server']['tun_iface'] = "tun0";
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$config['ovpn']['server']['psh_options'] = array();
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/* Initialise with some sensible defaults */
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$config['ovpn']['server']['port'] = 5000;
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$config['ovpn']['server']['proto'] = 'UDP';
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$config['ovpn']['server']['maxcli'] = 25;
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$config['ovpn']['server']['crypto'] = 'BF-CBC';
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$config['ovpn']['server']['dupcn'] = true;
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$config['ovpn']['server']['verb'] = 1;
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}
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if ($_POST) {
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unset($input_errors);
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/* input validation */
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if ($_POST['enable']) {
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$reqdfields = explode(" ", "tun_iface bind_iface ipblock");
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$reqdfieldsn = explode(",", "Tunnel type,Interface binding,IP address block start");
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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}
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/* need a test here to make sure prefix and max_clients are coherent */
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fb03ee88
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/* Sort out the cert+key files */
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if (is_null($_POST['ca_cert']))
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$input_errors[] = "You must provide a CA certificate file";
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elseif (!strstr($_POST['ca_cert'], "BEGIN CERTIFICATE") || !strstr($_POST['ca_cert'], "END CERTIFICATE"))
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$input_errors[] = "The CA certificate does not appear to be valid.";
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if (is_null($_POST['srv_cert']))
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$input_errors[] = "You must provide a server certificate file";
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elseif (!strstr($_POST['srv_cert'], "BEGIN CERTIFICATE") || !strstr($_POST['srv_cert'], "END CERTIFICATE"))
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$input_errors[] = "The server certificate does not appear to be valid.";
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if (is_null($_POST['srv_key']))
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$input_errors[] = "You must provide a server key file";
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elseif (!strstr($_POST['srv_key'], "BEGIN RSA PRIVATE KEY") || !strstr($_POST['srv_key'], "END RSA PRIVATE KEY"))
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$input_errors[] = "The server key does not appear to be valid.";
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if (is_null($_POST['dh_param']))
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$input_errors[] = "You must provide a DH parameters file";
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elseif (!strstr($_POST['dh_param'], "BEGIN DH PARAMETERS") || !strstr($_POST['dh_param'], "END DH PARAMETERS"))
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$input_errors[] = "The DH parameters do not appear to be valid.";
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if (!$input_errors) {
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$server =& $config['ovpn']['server'];
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$server['enable'] = $_POST['enable'] ? true : false;
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/* Make sure that the tunnel interface type has not changed */
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if ($server['tun_iface'] != $_POST['tun_iface']){
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$server['tun_iface'] = $_POST['tun_iface'];
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touch($d_sysrebootreqd_path);
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}
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$server['bind_iface'] = $_POST['bind_iface'];
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$server['port'] = $_POST['port'];
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$server['proto'] = $_POST['proto'];
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/* Make sure the IP address and/or prefix have not changed */
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if ($server['ipblock'] != $_POST['ipblock']){
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$server['ipblock'] = $_POST['ipblock'];
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touch($d_sysrebootreqd_path);
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}
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if ($server['prefix'] != $_POST['prefix']){
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$server['prefix'] = $_POST['prefix'];
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touch($d_sysrebootreqd_path);
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}
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$server['maxcli'] = $_POST['maxcli'];
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$server['crypto'] = $_POST['crypto'];
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$server['cli2cli'] = $_POST['cli2cli'] ? true : false;
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$server['dupcn'] = $_POST['dupcn'] ? true : false;
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$server['psh_options']['redir'] = $_POST['psh_redir'] ? true : false;
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$server['psh_options']['redir_loc'] = $_POST['psh_redir_loc'] ? true : false;
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if ($_POST['psh_rtedelay'])
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$server['psh_options']['rtedelay'] = $_POST['psh_rtedelay_int'];
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if ($_POST['psh_ping'])
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$server['psh_options']['ping'] = $_POST['psh_ping_int'];
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if ($_POST['psh_pingexit'])
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$server['psh_options']['pingexit'] = $_POST['psh_pingexit_int'];
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if ($_POST['psh_pingrst'])
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$server['psh_options']['pingrst'] = $_POST['psh_pingrst_int'];
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if ($_POST['inact'])
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$server['psh_options']['inact'] = $_POST['psh_inact_int'];
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$server['ca_cert'] = base64_encode($_POST['ca_cert']);
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$server['srv_cert'] = base64_encode($_POST['srv_cert']);
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$server['srv_key'] = base64_encode($_POST['srv_key']);
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fb03ee88
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$server['dh_param'] = base64_encode($_POST['dh_param']);
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write_config();
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$retval = 0;
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if (file_exists($d_sysrebootreqd_path)) {
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/* Rewrite interface definitions */
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$retval = ovpn_server_iface();
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}
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else{
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ovpn_lock();
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$retval = ovpn_config_server();
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ovpn_unlock();
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}
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$savemsg = get_std_save_message($retval);
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}
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}
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/* Simply take a copy of the array */
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$pconfig = $config['ovpn']['server'];
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?>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title><?=gentitle("VPN: OpenVPN");?></title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<link href="gui.css" rel="stylesheet" type="text/css">
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</head>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<p class="pgtitle">VPN: OpenVPN</p>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<?php if (file_exists($d_sysrebootreqd_path)) print_info_box(get_std_save_message(0)); ?>
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<form action="vpn_openvpn.php" method="post" enctype="multipart/form-data" name="iform" id="iform">
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr><td>
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<ul id="tabnav">
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<li class="tabact">Server</li>
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<li class="tabinact"><a href="vpn_openvpn_cli.php">Client</a></li>
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</ul>
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</td></tr>
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<tr>
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<td class="tabcont">
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<strong><span class="red">WARNING: This feature is experimental and modifies your optional interface configuration.
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Backup your configuration before using OpenVPN, and restore it before upgrading.<br>
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<br>
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</span></strong><table width="100%" border="0" cellpadding="6" cellspacing="0">
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<tr>
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<td width="22%" valign="top" class="vtable"> </td>
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<td width="78%" class="vtable">
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<input name="enable" type="checkbox" value="yes" <?php if (isset($pconfig['enable'])) echo "checked"; ?>>
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<strong>Enable OpenVPN server </strong></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Tunnel type</td>
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<td width="78%" class="vtable">
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<input type="radio" name="tun_iface" class="formfld" value="tun0" <?php if ($pconfig['tun_iface'] == 'tun0') echo "checked"; ?>>
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TUN
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<input type="radio" name="tun_iface" class="formfld" value="tap0" <?php if ($pconfig['tun_iface'] == 'tap0') echo "checked"; ?>>
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TAP
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</td>
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</tr>
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<tr>
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| 196 |
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<td width="22%" valign="top" class="vncell">OpenVPN protocol/port</td>
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<td width="78%" class="vtable">
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<input type="radio" name="proto" class="formfld" value="UDP" <?php if ($pconfig['proto'] == 'UDP') echo "checked"; ?>>
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UDP
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<input type="radio" name="proto" class="formfld" value="TCP" <?php if ($pconfig['proto'] == 'TCP') echo "checked"; ?>>
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| 201 |
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TCP<br><br>
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| 202 |
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Port:
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<input name="port" type="text" class="formfld" size="5" maxlength="5" value="<?= $pconfig['port']; ?>"><br>
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Enter the port number to use for the server (default is 5000).</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Interface binding</td>
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<td width="78%" class="vtable">
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<select name="bind_iface" class="formfld">
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<?php
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$interfaces = ovpn_real_interface_list();
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foreach ($interfaces as $key => $iface):
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?>
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| 215 |
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<option value="<?=$key;?>" <?php if ($key == $pconfig['bind_iface']) echo "selected"; ?>> <?= $iface;?>
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| 216 |
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</option>
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<?php endforeach;?>
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| 218 |
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</select>
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| 219 |
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<span class="vexpl"><br>
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| 220 |
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Choose an interface for the OpenVPN server to listen on.</span></td>
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| 221 |
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</tr>
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| 222 |
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| 223 |
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<tr>
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| 224 |
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<td width="22%" valign="top" class="vncellreq">IP address block</td>
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| 225 |
fb03ee88
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<td width="78%" class="vtable">
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| 226 |
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<input name="ipblock" type="text" class="formfld" size="20" value="<?=htmlspecialchars($pconfig['ipblock']);?>">
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| 227 |
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/
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| 228 |
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<select name="prefix" class="formfld">
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| 229 |
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<?php for ($i = 29; $i > 19; $i--): ?>
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| 230 |
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<option value="<?=$i;?>" <?php if ($i == $pconfig['prefix']) echo "selected"; ?>>
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| 231 |
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<?=$i;?>
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| 232 |
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</option>
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| 233 |
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<?php endfor; ?>
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| 234 |
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</select>
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| 235 |
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<br>
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| 236 |
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Enter the IP address block for the OpenVPN server and clients to use.<br>
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| 237 |
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<br>
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| 238 |
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Maximum number of simultaneous clients:
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| 239 |
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<input name="maxcli" type="text" class="formfld" size="3" maxlength="3" value="<?=htmlspecialchars($pconfig['maxcli']);?>">
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| 240 |
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</td>
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| 241 |
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</tr>
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| 242 |
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| 243 |
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<tr>
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| 244 |
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<td width="22%" valign="top" class="vncellreq">CA certificate</td>
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| 245 |
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<td width="78%" class="vtable">
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| 246 |
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<textarea name="ca_cert" cols="65" rows="4" class="formpre"><?=htmlspecialchars(base64_decode($pconfig['ca_cert']));?></textarea>
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| 247 |
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<br>
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| 248 |
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Paste a CA certificate in X.509 PEM format here. <a target="_new" href='vpn_openvpn_create_certs.php'>Create</a> all certificates.</td>
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</tr>
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| 250 |
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| 251 |
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<tr>
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| 252 |
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<td width="22%" valign="top" class="vncellreq">Server certificate</td>
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| 253 |
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<td width="78%" class="vtable">
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| 254 |
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<textarea name="srv_cert" cols="65" rows="4" class="formpre"><?=htmlspecialchars(base64_decode($pconfig['srv_cert']));?></textarea>
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| 255 |
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<br>
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| 256 |
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Paste a server certificate in X.509 PEM format here.</td>
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| 257 |
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</tr>
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| 258 |
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| 259 |
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<tr>
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| 260 |
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<td width="22%" valign="top" class="vncellreq">Server key</td>
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| 261 |
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<td width="78%" class="vtable">
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| 262 |
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<textarea name="srv_key" cols="65" rows="4" class="formpre"><?=htmlspecialchars(base64_decode($pconfig['srv_key']));?></textarea>
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| 263 |
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<br>Paste the server RSA private key here.</td>
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| 264 |
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</tr>
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| 265 |
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|
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| 266 |
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<tr>
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| 267 |
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<td width="22%" valign="top" class="vncellreq">DH parameters</td>
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<td width="78%" class="vtable">
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<textarea name="dh_param" cols="65" rows="4" class="formpre"><?=htmlspecialchars(base64_decode($pconfig['dh_param']));?></textarea>
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<br>
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Paste the Diffie-Hellman parameters in PEM format here.</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">Crypto</td>
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<td width="78%" class="vtable">
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| 277 |
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<select name="crypto" class="formfld">
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<?php $cipher_list = ovpn_get_cipher_list();
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foreach($cipher_list as $key => $value){
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?>
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<option value="<?= $key ?>" <?php if ($pconfig['crypto'] == $key) echo "selected"; ?>>
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<?= $value ?>
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</option>
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<?php
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}
|
| 286 |
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?>
|
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</select>
|
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<br>
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Select a data channel encryption cipher.</td>
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| 290 |
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">Internal routing mode</td>
|
| 294 |
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<td width="78%" class="vtable">
|
| 295 |
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<input name="cli2cli" type="checkbox" value="yes" <?php if (isset($pconfig['cli2cli'])) echo "checked"; ?>>
|
| 296 |
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<strong>Enable client-to-client routing</strong><br>
|
| 297 |
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If this option is on, clients are allowed to talk to each other.</td>
|
| 298 |
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">Client authentication</td>
|
| 302 |
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<td width="78%" class="vtable">
|
| 303 |
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<input name="dupcn" type="checkbox" value="yes" <?php if (isset($pconfig['dupcn'])) echo "checked"; ?>>
|
| 304 |
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<strong>Permit duplicate client certificates</strong><br>
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| 305 |
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If this option is on, clients with duplicate certificates will not be disconnected.</td>
|
| 306 |
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">Client-push options</td>
|
| 310 |
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<td width="78%" class="vtable">
|
| 311 |
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<table border="0" cellspacing="0" cellpadding="0">
|
| 312 |
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<tr>
|
| 313 |
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<td><input type="checkbox" name="psh_redir" value="yes" <?php if (isset($pconfig['psh_options']['redir'])) echo "checked"; ?>>
|
| 314 |
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Redirect-gateway</td>
|
| 315 |
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<td> </td>
|
| 316 |
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<td><input type="checkbox" name="psh_redir_loc" value="yes" <?php if (isset($pconfig['psh_options']['redir_loc'])) echo "checked"; ?>>
|
| 317 |
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Local</td>
|
| 318 |
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</tr>
|
| 319 |
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<tr>
|
| 320 |
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<td><input type="checkbox" name="psh_rtedelay" value="yes" <?php if (isset($pconfig['psh_options']['rtedelay'])) echo "checked"; ?>> Route-delay</td>
|
| 321 |
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<td width="16"> </td>
|
| 322 |
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<td><input type="text" name="psh_rtedelay_int" class="formfld" size="4" value="<?= $pconfig['psh_options']['rtedelay']?>"> seconds</td>
|
| 323 |
|
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</tr>
|
| 324 |
|
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<tr>
|
| 325 |
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<td><input type="checkbox" name="psh_inact" value="yes" <?php if (isset($pconfig['psh_options']['inact'])) echo "checked"; ?>>
|
| 326 |
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Inactive</td>
|
| 327 |
|
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<td> </td>
|
| 328 |
|
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<td><input type="text" name="psh_inact_int" class="formfld" size="4" value="<?= $pconfig['psh_options']['inact']?>">
|
| 329 |
|
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seconds</td>
|
| 330 |
|
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</tr>
|
| 331 |
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<tr>
|
| 332 |
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<td><input type="checkbox" name="psh_ping" value="yes" <?php if (isset($pconfig['psh_options']['ping'])) echo "checked"; ?>> Ping</td>
|
| 333 |
|
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<td> </td>
|
| 334 |
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<td>Interval: <input type="text" name="psh_ping_int" class="formfld" size="4" value="<?= $pconfig['psh_options']['ping']?>"> seconds</td>
|
| 335 |
|
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</tr>
|
| 336 |
|
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<tr>
|
| 337 |
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<td><input type="checkbox" name="psh_pingexit" value="yes" <?php if (isset($pconfig['psh_options']['pingexit'])) echo "checked"; ?>> Ping-exit</td>
|
| 338 |
|
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<td> </td>
|
| 339 |
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<td>Interval: <input type="text" name="psh_pingexit_int" class="formfld" size="4" value="<?= $pconfig['psh_options']['pingexit']?>"> seconds</td>
|
| 340 |
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</tr>
|
| 341 |
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<tr>
|
| 342 |
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<td><input type="checkbox" name="psh_pingrst" value="yes" <?php if (isset($pconfig['psh_options']['pingrst'])) echo "checked"; ?>> Ping-restart</td>
|
| 343 |
|
|
<td> </td>
|
| 344 |
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<td>Interval: <input type="text" name="psh_pingrst_int" class="formfld" size="4" value="<?= $pconfig['psh_options']['pingrst']?>"> seconds</td>
|
| 345 |
|
|
</tr>
|
| 346 |
|
|
</table></td>
|
| 347 |
|
|
</tr>
|
| 348 |
|
|
<tr>
|
| 349 |
|
|
<td width="22%" valign="top"> </td>
|
| 350 |
|
|
<td width="78%">
|
| 351 |
|
|
<input name="Submit" type="submit" class="formbtn" value="Save">
|
| 352 |
|
|
</td>
|
| 353 |
|
|
</tr>
|
| 354 |
|
|
<tr>
|
| 355 |
|
|
<td width="22%" valign="top"> </td>
|
| 356 |
|
|
<td width="78%"><span class="vexpl"><span class="red"><strong>Note:<br>
|
| 357 |
|
|
</strong></span>Changing any settings on this page will disconnect all clients!</span>
|
| 358 |
|
|
</td>
|
| 359 |
|
|
</tr>
|
| 360 |
|
|
</table> </td>
|
| 361 |
|
|
</tr>
|
| 362 |
|
|
</table>
|
| 363 |
|
|
</form>
|
| 364 |
|
|
<?php include("fend.inc"); ?>
|
| 365 |
|
|
</body>
|
| 366 |
|
|
</html>
|