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+<?php
+/*
+ vpn_pptp.php
+ part of m0n0wall (http://m0n0.ch/wall)
+
+ Copyright (C) 2003-2005 Manuel Kasper <mk@neon1.net>.
+ Copyright (C) 2013-2015 Electric Sheep Fencing, LP
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+*/
+
+##|+PRIV
+##|*IDENT=page-vpn-vpnpptp
+##|*NAME=VPN: VPN PPTP page
+##|*DESCR=Allow access to the 'VPN: VPN PPTP' page.
+##|*MATCH=vpn_pptp.php*
+##|-PRIV
+
+require("guiconfig.inc");
+require_once("functions.inc");
+require_once("filter.inc");
+require_once("shaper.inc");
+require_once("vpn.inc");
+
+if (!is_array($config['pptpd']['radius'])) {
+ $config['pptpd']['radius'] = array();
+}
+$pptpcfg = &$config['pptpd'];
+
+$pconfig['remoteip'] = $pptpcfg['remoteip'];
+$pconfig['localip'] = $pptpcfg['localip'];
+$pconfig['redir'] = $pptpcfg['redir'];
+$pconfig['mode'] = $pptpcfg['mode'];
+$pconfig['wins'] = $pptpcfg['wins'];
+$pconfig['req128'] = isset($pptpcfg['req128']);
+$pconfig['n_pptp_units'] = $pptpcfg['n_pptp_units'];
+$pconfig['pptp_dns1'] = $pptpcfg['dns1'];
+$pconfig['pptp_dns2'] = $pptpcfg['dns2'];
+$pconfig['radiusenable'] = isset($pptpcfg['radius']['server']['enable']);
+$pconfig['radiusissueips'] = isset($pptpcfg['radius']['radiusissueips']);
+$pconfig['radiussecenable'] = isset($pptpcfg['radius']['server2']['enable']);
+$pconfig['radacct_enable'] = isset($pptpcfg['radius']['accounting']);
+$pconfig['radiusserver'] = $pptpcfg['radius']['server']['ip'];
+$pconfig['radiusserverport'] = $pptpcfg['radius']['server']['port'];
+$pconfig['radiusserveracctport'] = $pptpcfg['radius']['server']['acctport'];
+$pconfig['radiussecret'] = $pptpcfg['radius']['server']['secret'];
+$pconfig['radiusserver2'] = $pptpcfg['radius']['server2']['ip'];
+$pconfig['radiusserver2port'] = $pptpcfg['radius']['server2']['port'];
+$pconfig['radiusserver2acctport'] = $pptpcfg['radius']['server2']['acctport'];
+$pconfig['radiussecret2'] = $pptpcfg['radius']['server2']['secret2'];
+$pconfig['radius_acct_update'] = $pptpcfg['radius']['acct_update'];
+$pconfig['radius_nasip'] = $pptpcfg['radius']['nasip'];
+
+if ($_POST) {
+
+ if (isset($input_errors))
+ unset($input_errors);
+ $pconfig = $_POST;
+
+ /* input validation */
+ if ($_POST['mode'] == "server") {
+ $reqdfields = explode(" ", "localip remoteip");
+ $reqdfieldsn = array(gettext("Server address"),gettext("Remote start address"));
+
+ if ($_POST['radiusenable']) {
+ $reqdfields = array_merge($reqdfields, explode(" ", "radiusserver radiussecret"));
+ $reqdfieldsn = array_merge($reqdfieldsn,
+ array(gettext("RADIUS server address"),gettext("RADIUS shared secret")));
+ }
+
+ do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);
+
+ if (($_POST['localip'] && !is_ipaddr($_POST['localip']))) {
+ $input_errors[] = gettext("A valid server address must be specified.");
+ }
+ if (is_ipaddr_configured($_POST['localip'])) {
+ $input_errors[] = gettext("'Server address' parameter should NOT be set to any IP address currently in use on this firewall.");
+ }
+ if (!is_ipaddr($_POST['remoteip'])) {
+ $input_errors[] = gettext("A valid remote start address must be specified.");
+ }
+ if (($_POST['radiusserver'] && !is_ipaddr($_POST['radiusserver']))) {
+ $input_errors[] = gettext("A valid RADIUS server address must be specified.");
+ }
+
+ if (!$input_errors) {
+ $subnet_start = ip2ulong($_POST['remoteip']);
+ $subnet_end = ip2ulong($_POST['remoteip']) + $_POST['n_pptp_units'] - 1;
+
+ if ((ip2ulong($_POST['localip']) >= $subnet_start) &&
+ (ip2ulong($_POST['localip']) <= $subnet_end)) {
+ $input_errors[] = gettext("The specified server address lies in the remote subnet.");
+ }
+ // TODO: Should this check be for any local IP address?
+ if ($_POST['localip'] == $config['interfaces']['lan']['ipaddr']) {
+ $input_errors[] = gettext("The specified server address is equal to the LAN interface address.");
+ }
+ }
+ } else if ($_POST['mode'] == "redir") {
+ $reqdfields = explode(" ", "redir");
+ $reqdfieldsn = array(gettext("PPTP redirection target address"));
+
+ do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);
+
+ if (($_POST['redir'] && !is_ipaddr($_POST['redir']))) {
+ $input_errors[] = gettext("A valid target address must be specified.");
+ }
+ } else if (isset($config['pptpd']['mode'])) {
+ unset($config['pptpd']['mode']);
+ }
+
+ if (!$input_errors) {
+ $pptpcfg['remoteip'] = $_POST['remoteip'];
+ $pptpcfg['redir'] = $_POST['redir'];
+ $pptpcfg['localip'] = $_POST['localip'];
+ $pptpcfg['mode'] = $_POST['mode'];
+ $pptpcfg['wins'] = $_POST['wins'];
+ $pptpcfg['n_pptp_units'] = $_POST['n_pptp_units'];
+ $pptpcfg['radius']['server']['ip'] = $_POST['radiusserver'];
+ $pptpcfg['radius']['server']['port'] = $_POST['radiusserverport'];
+ $pptpcfg['radius']['server']['acctport'] = $_POST['radiusserveracctport'];
+ $pptpcfg['radius']['server']['secret'] = $_POST['radiussecret'];
+ $pptpcfg['radius']['server2']['ip'] = $_POST['radiusserver2'];
+ $pptpcfg['radius']['server2']['port'] = $_POST['radiusserver2port'];
+ $pptpcfg['radius']['server2']['acctport'] = $_POST['radiusserver2acctport'];
+ $pptpcfg['radius']['server2']['secret2'] = $_POST['radiussecret2'];
+ $pptpcfg['radius']['nasip'] = $_POST['radius_nasip'];
+ $pptpcfg['radius']['acct_update'] = $_POST['radius_acct_update'];
+
+ if ($_POST['pptp_dns1'] == "") {
+ if (isset($pptpcfg['dns1']))
+ unset($pptpcfg['dns1']);
+ } else
+ $pptpcfg['dns1'] = $_POST['pptp_dns1'];
+
+ if ($_POST['pptp_dns2'] == "") {
+ if (isset($pptpcfg['dns2']))
+ unset($pptpcfg['dns2']);
+ } else
+ $pptpcfg['dns2'] = $_POST['pptp_dns2'];
+
+ if($_POST['req128'] == "yes")
+ $pptpcfg['req128'] = true;
+ else if (isset($pptpcfg['req128']))
+ unset($pptpcfg['req128']);
+
+ if($_POST['radiusenable'] == "yes")
+ $pptpcfg['radius']['server']['enable'] = true;
+ else if (isset($pptpcfg['radius']['server']['enable']))
+ unset($pptpcfg['radius']['server']['enable']);
+
+ if($_POST['radiussecenable'] == "yes")
+ $pptpcfg['radius']['server2']['enable'] = true;
+ else if (isset($pptpcfg['radius']['server2']['enable']))
+ unset($pptpcfg['radius']['server2']['enable']);
+
+ if($_POST['radacct_enable'] == "yes")
+ $pptpcfg['radius']['accounting'] = true;
+ else if (isset($pptpcfg['radius']['accounting']))
+ unset($pptpcfg['radius']['accounting']);
+
+ if($_POST['radiusissueips'] == "yes") {
+ $pptpcfg['radius']['radiusissueips'] = true;
+ } else if (isset($pptpcfg['radius']['radiusissueips']))
+ unset($pptpcfg['radius']['radiusissueips']);
+
+ write_config();
+
+ $retval = 0;
+ $retval = vpn_pptpd_configure();
+ $savemsg = get_std_save_message($retval);
+
+ filter_configure();
+ }
+}
+
+$pgtitle = array(gettext("VPN"),gettext("VPN PPTP"));
+$shortcut_section = "pptps";
+include("head.inc");
+
+?>
+
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+<?php include("fbegin.inc"); ?>
+<script type="text/javascript">
+//<![CDATA[
+function get_radio_value(obj)
+{
+ for (i = 0; i < obj.length; i++) {
+ if (obj[i].checked)
+ return obj[i].value;
+ }
+ return null;
+}
+
+function enable_change(enable_over) {
+ if ((get_radio_value(document.iform.mode) == "server") || enable_over) {
+ document.iform.remoteip.disabled = 0;
+ document.iform.localip.disabled = 0;
+ document.iform.req128.disabled = 0;
+ document.iform.radiusenable.disabled = 0;
+ document.iform.radiusissueips.disabled = 0;
+ document.iform.wins.disabled = 0;
+ document.iform.n_pptp_units.disabled = 0;
+ document.iform.pptp_dns1.disabled = 0;
+ document.iform.pptp_dns2.disabled = 0;
+
+ if (document.iform.radiusenable.checked || enable_over) {
+ document.iform.radiussecenable.disabled = 0;
+ document.iform.radacct_enable.disabled = 0;
+ document.iform.radiusserver.disabled = 0;
+ document.iform.radiusserverport.disabled = 0;
+ document.iform.radiusserveracctport.disabled = 0;
+ document.iform.radiussecret.disabled = 0;
+ document.iform.radius_nasip.disabled = 0;
+ document.iform.radius_acct_update.disabled = 0;
+ document.iform.radiusissueips.disabled = 0;
+ if (document.iform.radiussecenable.checked || enable_over) {
+ document.iform.radiusserver2.disabled = 0;
+ document.iform.radiussecret2.disabled = 0;
+ document.iform.radiusserver2port.disabled = 0;
+ document.iform.radiusserver2acctport.disabled = 0;
+ } else {
+
+ document.iform.radiusserver2.disabled = 1;
+ document.iform.radiussecret2.disabled = 1;
+ document.iform.radiusserver2port.disabled = 1;
+ document.iform.radiusserver2acctport.disabled = 1;
+ }
+ } else {
+ document.iform.radacct_enable.disabled = 1;
+ document.iform.radiusserver.disabled = 1;
+ document.iform.radiusserverport.disabled = 1;
+ document.iform.radiusissueips.disabled = 1;
+ document.iform.radiusserveracctport.disabled = 1;
+ document.iform.radiussecret.disabled = 1;
+ document.iform.radius_nasip.disabled = 1;
+ document.iform.radius_acct_update.disabled = 1;
+ document.iform.radiusissueips.disabled = 1;
+ document.iform.radiusserver2.disabled = 1;
+ document.iform.radiussecret2.disabled = 1;
+ document.iform.radiusserver2port.disabled = 1;
+ document.iform.radiusserver2acctport.disabled = 1;
+ }
+
+ } else {
+ document.iform.remoteip.disabled = 1;
+ document.iform.localip.disabled = 1;
+ document.iform.req128.disabled = 1;
+ document.iform.n_pptp_units.disabled = 1;
+ document.iform.pptp_dns1.disabled = 1;
+ document.iform.pptp_dns2.disabled = 1;
+ document.iform.radiusenable.disabled = 1;
+ document.iform.radacct_enable.disabled = 1;
+ document.iform.radiusserver.disabled = 1;
+ document.iform.radiusserverport.disabled = 1;
+ document.iform.radiusissueips.disabled = 1;
+ document.iform.radiusserveracctport.disabled = 1;
+ document.iform.radiussecret.disabled = 1;
+ document.iform.radius_nasip.disabled = 1;
+ document.iform.radius_acct_update.disabled = 1;
+ document.iform.radiussecenable.disabled = 1;
+ document.iform.radiusserver2.disabled = 1;
+ document.iform.radiusserver2port.disabled = 1;
+ document.iform.radiusserver2acctport.disabled = 1;
+ document.iform.radiussecret2.disabled = 1;
+ document.iform.wins.disabled = 1;
+ document.iform.radiusissueips.disabled = 1;
+ }
+ if ((get_radio_value(document.iform.mode) == "redir") || enable_over) {
+ document.iform.redir.disabled = 0;
+ } else {
+ document.iform.redir.disabled = 1;
+ }
+}
+//]]>
+</script>
+<form action="vpn_pptp.php" method="post" name="iform" id="iform">
+<?php if ($input_errors) print_input_errors($input_errors); ?>
+<?php if ($savemsg) print_info_box($savemsg); ?>
+<?php print_info_box(gettext("PPTP is no longer considered a secure VPN technology because it relies upon MS-CHAPv2 which has been compromised. If you continue to use PPTP be aware that intercepted traffic can be decrypted by a third party, so it should be considered unencrypted. We advise migrating to another VPN type such as OpenVPN or IPsec.<br /><br /><a href=\"https://isc.sans.edu/diary/End+of+Days+for+MS-CHAPv2/13807\">Read More</a>")); ?>
+<table width="100%" border="0" cellpadding="0" cellspacing="0" summary="vpn pptp">
+ <tr><td class="tabnavtbl">
+<?php
+ $tab_array = array();
+ $tab_array[0] = array(gettext("Configuration"), true, "vpn_pptp.php");
+ $tab_array[1] = array(gettext("Users"), false, "vpn_pptp_users.php");
+ display_top_tabs($tab_array);
+?>
+ </td></tr>
+ <tr>
+ <td>
+<div id="mainarea">
+ <table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0" summary="main area">
+ <tr>
+ <td width="22%" valign="top" class="vtable">&nbsp;</td>
+ <td width="78%" class="vtable">
+ <input name="mode" type="radio" onclick="enable_change(false)" value="off"
+ <?php if (($pconfig['mode'] != "server") && ($pconfig['mode'] != "redir")) echo "checked=\"checked\"";?> />
+ <?=gettext("Off"); ?></td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vtable">&nbsp;</td>
+ <td width="78%" class="vtable">
+
+ <input type="radio" name="mode" value="redir" onclick="enable_change(false)" <?php if ($pconfig['mode'] == "redir") echo "checked=\"checked\"" ?> />
+ <?=gettext("Redirect incoming PPTP connections to");?>:</td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncellreq"><?=gettext("PPTP redirection");?></td>
+ <td width="78%" class="vtable">
+ <?=$mandfldhtml;?><input name="redir" type="text" class="formfld unknown" id="redir" size="20" value="<?=htmlspecialchars($pconfig['redir']);?>" />
+ <br />
+ <?=gettext("Enter the IP address of a host which will accept incoming " .
+ "PPTP connections"); ?>.</td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vtable">&nbsp;</td>
+ <td width="78%" class="vtable">
+ <input type="radio" name="mode" value="server" onclick="enable_change(false)" <?php if ($pconfig['mode'] == "server") echo "checked=\"checked\""; ?> />
+ <?=gettext("Enable PPTP server"); ?></td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncellreq"><?=gettext("No. PPTP users"); ?></td>
+ <td width="78%" class="vtable">
+ <select id="n_pptp_units" name="n_pptp_units">
+ <?php
+ $toselect = ($pconfig['n_pptp_units'] > 0) ? $pconfig['n_pptp_units'] : 16;
+ for($x=1; $x<255; $x++) {
+ if($x == $toselect)
+ $SELECTED = " selected=\"selected\"";
+ else
+ $SELECTED = "";
+ echo "<option value=\"{$x}\"{$SELECTED}>{$x}</option>\n";
+ }
+ ?>
+ </select>
+ <br /><?=gettext("Hint: 10 is ten PPTP clients"); ?>
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncellreq"><?=gettext("Server address"); ?></td>
+ <td width="78%" class="vtable">
+ <?=$mandfldhtml;?><input name="localip" type="text" class="formfld unknown" id="localip" size="20" value="<?=htmlspecialchars($pconfig['localip']);?>" />
+ <br />
+ <?=gettext("Enter the IP address the PPTP server should give to clients for use as their \"gateway\""); ?>.
+ <br />
+ <?=gettext("Typically this is set to an unused IP just outside of the client range"); ?>.
+ <br />
+ <br />
+ <?=gettext("NOTE: This should NOT be set to any IP address currently in use on this firewall"); ?>.</td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncellreq"><?=gettext("Remote address " .
+ "range"); ?></td>
+ <td width="78%" class="vtable">
+ <?=$mandfldhtml;?><input name="remoteip" type="text" class="formfld unknown" id="remoteip" size="20" value="<?=htmlspecialchars($pconfig['remoteip']);?>" />
+ <br />
+ <?=gettext("Specify the starting address for the client IP subnet"); ?>.<br />
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("PPTP DNS Servers"); ?></td>
+ <td width="78%" class="vtable">
+ <?=$mandfldhtml;?><input name="pptp_dns1" type="text" class="formfld unknown" id="pptp_dns1" size="20" value="<?=htmlspecialchars($pconfig['pptp_dns1']);?>" />
+ <br />
+ <input name="pptp_dns2" type="text" class="formfld unknown" id="pptp_dns2" size="20" value="<?=htmlspecialchars($pconfig['pptp_dns2']);?>" />
+ <br />
+ <?=gettext("primary and secondary DNS servers assigned to PPTP clients"); ?><br />
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("WINS Server"); ?></td>
+ <td width="78%" valign="top" class="vtable">
+ <input name="wins" class="formfld unknown" id="wins" size="20" value="<?=htmlspecialchars($pconfig['wins']);?>" />
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS"); ?></td>
+ <td width="78%" class="vtable">
+ <input name="radiusenable" type="checkbox" id="radiusenable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radiusenable']) echo "checked=\"checked\""; ?> />
+ <strong><?=gettext("Use a RADIUS server for authentication"); ?></strong><br />
+ <?=gettext("When set, all users will be authenticated using " .
+ "the RADIUS server specified below. The local user database " .
+ "will not be used"); ?>.<br />
+ <br />
+ <input name="radacct_enable" type="checkbox" id="radacct_enable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radacct_enable']) echo "checked=\"checked\""; ?> />
+ <strong><?=gettext("Enable RADIUS accounting"); ?> <br />
+ </strong><?=gettext("Sends accounting packets to the RADIUS server"); ?>.<br />
+ <br />
+ <input name="radiussecenable" type="checkbox" id="radiussecenable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radiussecenable']) echo "checked=\"checked\""; ?> />
+ <strong><?=gettext("Secondary RADIUS server for failover authentication"); ?></strong><br />
+ <?=gettext("When set, all requests will go to the secondary server when primary fails"); ?><br />
+ <br />
+ <input name="radiusissueips" value="yes" type="checkbox" class="formfld" id="radiusissueips"<?php if($pconfig['radiusissueips']) echo " checked=\"checked\""; ?> />
+ <strong><?=gettext("RADIUS issued IPs"); ?></strong>
+ <br /><?=gettext("Issue IP addresses via RADIUS server"); ?>.
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS NAS IP"); ?></td>
+ <td width="78%" valign="top" class="vtable">
+ <input name="radius_nasip" class="formfld unknown" id="radius_nasip" size="20" value="<?=htmlspecialchars($pconfig['radius_nasip']);?>" />
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS Accounting Update"); ?></td>
+ <td width="78%" valign="top" class="vtable">
+ <input name="radius_acct_update" class="formfld unknown" id="radius_acct_update" size="20" value="<?=htmlspecialchars($pconfig['radius_acct_update']);?>" />
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS Server"); ?> </td>
+ <td width="78%" class="vtable">
+ <input name="radiusserver" type="text" class="formfld unknown" id="radiusserver" size="20" value="<?=htmlspecialchars($pconfig['radiusserver']);?>" />
+ <input name="radiusserverport" type="text" class="formfld unknown" id="radiusserverport" size="4" value="<?=htmlspecialchars($pconfig['radiusserverport']);?>" />
+ <input name="radiusserveracctport" type="text" class="formfld unknown" id="radiusserveracctport" size="4" value="<?=htmlspecialchars($pconfig['radiusserveracctport']);?>" />
+ <br />
+ <?=gettext("Enter the IP address, RADIUS port, and RADIUS accounting port of the RADIUS server"); ?>.</td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("RADIUS shared secret"); ?></td>
+ <td width="78%" valign="top" class="vtable">
+ <input name="radiussecret" type="password" class="formfld pwd" id="radiussecret" size="20" value="<?=htmlspecialchars($pconfig['radiussecret']);?>" />
+ <br />
+ <?=gettext("Enter the shared secret that will be used to authenticate " .
+ "to the RADIUS server"); ?>.</td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("Secondary RADIUS server"); ?> </td>
+ <td width="78%" class="vtable">
+ <input name="radiusserver2" type="text" class="formfld unknown" id="radiusserver2" size="20" value="<?=htmlspecialchars($pconfig['radiusserver2']);?>" />
+ <input name="radiusserver2port" type="text" class="formfld unknown" id="radiusserver2port" size="4" value="<?=htmlspecialchars($pconfig['radiusserver2port']);?>" />
+ <input name="radiusserver2acctport" type="text" class="formfld unknown" id="radiusserver2acctport" size="4" value="<?=htmlspecialchars($pconfig['radiusserver2acctport']);?>" />
+ <br />
+ <?=gettext("Enter the IP address, RADIUS port, and RADIUS accounting port of the RADIUS server"); ?>.</td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("Secondary RADIUS shared secret"); ?></td>
+ <td width="78%" valign="top" class="vtable">
+ <input name="radiussecret2" type="password" class="formfld pwd" id="radiussecret2" size="20" value="<?=htmlspecialchars($pconfig['radiussecret2']);?>" />
+ <br />
+ <?=gettext("Enter the shared secret that will be used to authenticate " .
+ "to the secondary RADIUS server"); ?>.</td>
+ </tr>
+ <tr>
+ <td height="16" colspan="2" valign="top"></td>
+ </tr>
+ <tr>
+ <td width="22%" valign="middle">&nbsp;</td>
+ <td width="78%" class="vtable">
+ <input name="req128" type="checkbox" id="req128" value="yes" <?php if ($pconfig['req128']) echo "checked=\"checked\""; ?> />
+ <strong><?=gettext("Require 128-bit encryption"); ?></strong><br />
+ <?=gettext("When set, only 128-bit encryption will be accepted. Otherwise " .
+ "40-bit and 56-bit encryption will be accepted as well. Note that " .
+ "encryption will always be forced on PPTP connections (i.e. " .
+ "unencrypted connections will not be accepted)"); ?>.</td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top">&nbsp;</td>
+ <td width="78%">
+ <input name="Submit" type="submit" class="formbtn" value="<?=gettext("Save"); ?>" onclick="enable_change(true)" />
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top">&nbsp;</td>
+ <td width="78%"><span class="vexpl"><span class="red"><strong><?=gettext("Note");?>:<br />
+ </strong></span><?=gettext("don't forget to ");?><a href="firewall_rules.php?if=pptp"><?=gettext("add a firewall rule"); ?></a> <?=gettext("to permit ".
+ "traffic from PPTP clients");?>!</span></td>
+ </tr>
+ </table>
+</div>
+ </td>
+ </tr>
+</table>
+</form>
+<script type="text/javascript">
+//<![CDATA[
+enable_change(false);
+//]]>
+</script>
+<?php include("fend.inc"); ?>
+</body>
+</html>
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