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#!/usr/local/bin/php
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<?php
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/*
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vpn_ipsec_mobile.php
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part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
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All rights reserved.
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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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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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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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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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if (!is_array($config['ipsec']['mobileclients'])) {
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$config['ipsec']['mobileclients'] = array();
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}
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$a_ipsec = &$config['ipsec']['mobileclients'];
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if (count($a_ipsec) == 0) {
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/* defaults */
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$pconfig['p1mode'] = "aggressive";
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$pconfig['p1myidentt'] = "myaddress";
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$pconfig['p1ealgo'] = "3des";
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$pconfig['p1halgo'] = "sha1";
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$pconfig['p1dhgroup'] = "2";
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$pconfig['p2proto'] = "esp";
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$pconfig['p2ealgos'] = explode(",", "3des,blowfish,cast128,rijndael");
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$pconfig['p2halgos'] = explode(",", "hmac_sha1,hmac_md5");
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$pconfig['p2pfsgroup'] = "0";
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} else {
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$pconfig['enable'] = isset($a_ipsec['enable']);
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$pconfig['p1mode'] = $a_ipsec['p1']['mode'];
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if (isset($a_ipsec['p1']['myident']['myaddress']))
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$pconfig['p1myidentt'] = 'myaddress';
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else if (isset($a_ipsec['p1']['myident']['address'])) {
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$pconfig['p1myidentt'] = 'address';
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$pconfig['p1myident'] = $a_ipsec['p1']['myident']['address'];
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} else if (isset($a_ipsec['p1']['myident']['fqdn'])) {
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$pconfig['p1myidentt'] = 'fqdn';
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$pconfig['p1myident'] = $a_ipsec['p1']['myident']['fqdn'];
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} else if (isset($a_ipsec['p1']['myident']['ufqdn'])) {
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$pconfig['p1myidentt'] = 'user_fqdn';
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$pconfig['p1myident'] = $a_ipsec['p1']['myident']['ufqdn'];
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}
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$pconfig['p1ealgo'] = $a_ipsec['p1']['encryption-algorithm'];
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$pconfig['p1halgo'] = $a_ipsec['p1']['hash-algorithm'];
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$pconfig['p1dhgroup'] = $a_ipsec['p1']['dhgroup'];
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$pconfig['p1lifetime'] = $a_ipsec['p1']['lifetime'];
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$pconfig['p2proto'] = $a_ipsec['p2']['protocol'];
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$pconfig['p2ealgos'] = $a_ipsec['p2']['encryption-algorithm-option'];
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$pconfig['p2halgos'] = $a_ipsec['p2']['hash-algorithm-option'];
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$pconfig['p2pfsgroup'] = $a_ipsec['p2']['pfsgroup'];
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$pconfig['p2lifetime'] = $a_ipsec['p2']['lifetime'];
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}
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if ($_POST) {
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unset($input_errors);
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$pconfig = $_POST;
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/* input validation */
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$reqdfields = explode(" ", "p2ealgos p2halgos");
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$reqdfieldsn = explode(",", "P2 Encryption Algorithms,P2 Hash Algorithms");
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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if (($_POST['p1lifetime'] && !is_numeric($_POST['p1lifetime']))) {
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$input_errors[] = "The P1 lifetime must be an integer.";
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}
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if (($_POST['p2lifetime'] && !is_numeric($_POST['p2lifetime']))) {
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$input_errors[] = "The P2 lifetime must be an integer.";
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}
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if ((($_POST['p1myidentt'] == "address") && !is_ipaddr($_POST['p1myident']))) {
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$input_errors[] = "A valid IP address for 'My identifier' must be specified.";
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}
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if ((($_POST['p1myidentt'] == "fqdn") && !is_domain($_POST['p1myident']))) {
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$input_errors[] = "A valid domain name for 'My identifier' must be specified.";
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}
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if ($_POST['p1myidentt'] == "user_fqdn") {
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$ufqdn = explode("@",$_POST['p1myident']);
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if (!is_domain($ufqdn[1]))
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$input_errors[] = "A valid User FQDN in the form of user@my.domain.com for 'My identifier' must be specified.";
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}
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if ($_POST['p1myidentt'] == "myaddress")
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$_POST['p1myident'] = "";
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if (!$input_errors) {
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$ipsecent = array();
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$ipsecent['enable'] = $_POST['enable'] ? true : false;
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$ipsecent['p1']['mode'] = $_POST['p1mode'];
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$ipsecent['p1']['myident'] = array();
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switch ($_POST['p1myidentt']) {
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case 'myaddress':
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$ipsecent['p1']['myident']['myaddress'] = true;
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break;
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case 'address':
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$ipsecent['p1']['myident']['address'] = $_POST['p1myident'];
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break;
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case 'fqdn':
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$ipsecent['p1']['myident']['fqdn'] = $_POST['p1myident'];
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break;
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case 'user_fqdn':
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$ipsecent['p1']['myident']['ufqdn'] = $_POST['p1myident'];
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break;
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}
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$ipsecent['p1']['encryption-algorithm'] = $_POST['p1ealgo'];
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$ipsecent['p1']['hash-algorithm'] = $_POST['p1halgo'];
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$ipsecent['p1']['dhgroup'] = $_POST['p1dhgroup'];
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$ipsecent['p1']['lifetime'] = $_POST['p1lifetime'];
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$ipsecent['p2']['protocol'] = $_POST['p2proto'];
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$ipsecent['p2']['encryption-algorithm-option'] = $_POST['p2ealgos'];
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$ipsecent['p2']['hash-algorithm-option'] = $_POST['p2halgos'];
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$ipsecent['p2']['pfsgroup'] = $_POST['p2pfsgroup'];
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$ipsecent['p2']['lifetime'] = $_POST['p2lifetime'];
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$a_ipsec = $ipsecent;
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write_config();
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touch($d_ipsecconfdirty_path);
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header("Location: vpn_ipsec_mobile.php");
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exit;
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}
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}
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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: IPsec");?></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: IPsec</p>
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<form action="vpn_ipsec.php" method="post">
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<?php if (file_exists($d_ipsecconfdirty_path)): ?><p>
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<?php print_info_box_np("The IPsec tunnel configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>
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<input name="apply" type="submit" class="formbtn" id="apply" value="Apply changes"></p>
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<?php endif; ?>
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</form>
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<form action="vpn_ipsec_mobile.php" method="post" name="iform" id="iform">
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr><td>
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<ul id="tabnav">
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<li class="tabinact"><a href="vpn_ipsec.php">Tunnels</a></li>
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<li class="tabact">Mobile clients</li>
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<li class="tabinact"><a href="vpn_ipsec_keys.php">Pre-shared keys</a></li>
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</ul>
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</td></tr>
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<tr>
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<td class="tabcont">
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<table width="100%" border="0" cellpadding="6" cellspacing="0">
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<tr>
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<td width="22%" valign="top"> </td>
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<td width="78%">
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<input name="enable" type="checkbox" id="enable" value="yes" <?php if ($pconfig['enable']) echo "checked"; ?>>
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<strong>Allow mobile clients</strong></td>
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</tr>
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<tr>
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<td colspan="2" valign="top" class="listtopic">Phase 1 proposal
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(Authentication)</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Negotiation mode</td>
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<td width="78%" bgcolor="#FFFFFF" class="vtable">
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<select name="p1mode" class="formfld">
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<?php $modes = explode(" ", "main aggressive"); foreach ($modes as $mode): ?>
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<option value="<?=$mode;?>" <?php if ($mode == $pconfig['p1mode']) echo "selected"; ?>>
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<?=htmlspecialchars($mode);?>
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</option>
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<?php endforeach; ?>
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</select> <br> <span class="vexpl">Aggressive is faster, but
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less secure.</span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">My identifier</td>
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<td width="78%" bgcolor="#FFFFFF" class="vtable">
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<select name="p1myidentt" class="formfld">
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<?php foreach ($my_identifier_list as $mode => $modename): ?>
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<option value="<?=$mode;?>" <?php if ($mode == $pconfig['p1myidentt']) echo "selected"; ?>>
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<?=htmlspecialchars($modename);?>
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</option>
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<?php endforeach; ?>
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</select> <input name="p1myident" type="text" class="formfld" id="p1myident" size="30" value="<?=$pconfig['p1myident'];?>">
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</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Encryption algorithm</td>
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<td width="78%" bgcolor="#FFFFFF" class="vtable">
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<select name="p1ealgo" class="formfld">
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<?php foreach ($p1_ealgos as $algo => $algoname): ?>
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<option value="<?=$algo;?>" <?php if ($algo == $pconfig['p1ealgo']) echo "selected"; ?>>
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<?=htmlspecialchars($algoname);?>
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</option>
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<?php endforeach; ?>
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</select> <br> <span class="vexpl">Must match the setting
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chosen on the remote side. </span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Hash algorithm</td>
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<td width="78%" bgcolor="#FFFFFF" class="vtable">
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<select name="p1halgo" class="formfld">
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<?php foreach ($p1_halgos as $algo => $algoname): ?>
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<option value="<?=$algo;?>" <?php if ($algo == $pconfig['p1halgo']) echo "selected"; ?>>
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<?=htmlspecialchars($algoname);?>
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</option>
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<?php endforeach; ?>
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</select> <br> <span class="vexpl">Must match the setting
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chosen on the remote side. </span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">DH key group</td>
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<td width="78%" bgcolor="#FFFFFF" class="vtable">
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<select name="p1dhgroup" class="formfld">
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<?php $keygroups = explode(" ", "1 2 5"); foreach ($keygroups as $keygroup): ?>
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<option value="<?=$keygroup;?>" <?php if ($keygroup == $pconfig['p1dhgroup']) echo "selected"; ?>>
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<?=htmlspecialchars($keygroup);?>
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</option>
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<?php endforeach; ?>
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</select> <br> <span class="vexpl"><em>1 = 768 bit, 2 = 1024
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bit, 5 = 1536 bit</em><br>
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Must match the setting chosen on the remote side. </span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">Lifetime</td>
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<td width="78%" bgcolor="#FFFFFF" class="vtable">
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<input name="p1lifetime" type="text" class="formfld" id="p1lifetime" size="20" value="<?=$pconfig['p1lifetime'];?>">
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seconds</td>
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</tr>
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<tr>
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<td colspan="2" class="list" height="12"></td>
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</tr>
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<tr>
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<td colspan="2" valign="top" class="listtopic">Phase 2 proposal
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(SA/Key Exchange)</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Protocol</td>
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<td width="78%" bgcolor="#FFFFFF" class="vtable">
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<select name="p2proto" class="formfld">
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<?php foreach ($p2_protos as $proto => $protoname): ?>
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<option value="<?=$proto;?>" <?php if ($proto == $pconfig['p2proto']) echo "selected"; ?>>
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<?=htmlspecialchars($protoname);?>
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</option>
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<?php endforeach; ?>
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</select> <br> <span class="vexpl">ESP is encryption, AH is
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authentication only </span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Encryption algorithms</td>
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<td width="78%" bgcolor="#FFFFFF" class="vtable">
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<?php foreach ($p2_ealgos as $algo => $algoname): ?>
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<input type="checkbox" name="p2ealgos[]" value="<?=$algo;?>" <?php if (in_array($algo, $pconfig['p2ealgos'])) echo "checked"; ?>>
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<?=htmlspecialchars($algoname);?>
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<br>
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<?php endforeach; ?>
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<br>
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Hint: use 3DES for best compatibility or if you have a hardware
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crypto accelerator card. Blowfish is usually the fastest in
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software encryption. </td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Hash algorithms</td>
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<td width="78%" bgcolor="#FFFFFF" class="vtable">
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<?php foreach ($p2_halgos as $algo => $algoname): ?>
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<input type="checkbox" name="p2halgos[]" value="<?=$algo;?>" <?php if (in_array($algo, $pconfig['p2halgos'])) echo "checked"; ?>>
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<?=htmlspecialchars($algoname);?>
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<br>
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<?php endforeach; ?>
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</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">PFS key group</td>
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<td width="78%" bgcolor="#FFFFFF" class="vtable">
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<select name="p2pfsgroup" class="formfld">
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<?php foreach ($p2_pfskeygroups as $keygroup => $keygroupname): ?>
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<option value="<?=$keygroup;?>" <?php if ($keygroup == $pconfig['p2pfsgroup']) echo "selected"; ?>>
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<?=htmlspecialchars($keygroupname);?>
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</option>
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<?php endforeach; ?>
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308
|
</select> <br> <span class="vexpl"><em>1 = 768 bit, 2 = 1024
|
|
309
|
bit, 5 = 1536 bit</em></span></td>
|
|
310
|
</tr>
|
|
311
|
<tr>
|
|
312
|
<td width="22%" valign="top" class="vncell">Lifetime</td>
|
|
313
|
<td width="78%" bgcolor="#FFFFFF" class="vtable">
|
|
314
|
<input name="p2lifetime" type="text" class="formfld" id="p2lifetime" size="20" value="<?=$pconfig['p2lifetime'];?>">
|
|
315
|
seconds</td>
|
|
316
|
</tr>
|
|
317
|
<tr>
|
|
318
|
<td width="22%" valign="top"> </td>
|
|
319
|
<td width="78%">
|
|
320
|
<input name="Submit" type="submit" class="formbtn" value="Save">
|
|
321
|
</td>
|
|
322
|
</tr>
|
|
323
|
</table>
|
|
324
|
</td>
|
|
325
|
</tr>
|
|
326
|
</table>
|
|
327
|
</form>
|
|
328
|
<?php include("fend.inc"); ?>
|
|
329
|
</body>
|
|
330
|
</html>
|