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<?php
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/* $Id$ */
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/*
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firewall_nat_out.php
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Copyright (C) 2004 Scott Ullrich
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All rights reserved.
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originally 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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/*
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pfSense_MODULE: nat
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*/
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##|+PRIV
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##|*IDENT=page-firewall-nat-outbound
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##|*NAME=Firewall: NAT: Outbound page
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##|*DESCR=Allow access to the 'Firewall: NAT: Outbound' page.
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##|*MATCH=firewall_nat_out.php*
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##|-PRIV
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require("guiconfig.inc");
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require_once("functions.inc");
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require_once("filter.inc");
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require_once("shaper.inc");
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if (!is_array($config['nat']['advancedoutbound']))
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$config['nat']['advancedoutbound'] = array();
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if (!is_array($config['nat']['advancedoutbound']['rule']))
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$config['nat']['advancedoutbound']['rule'] = array();
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$a_out = &$config['nat']['advancedoutbound']['rule'];
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if ($_POST['apply']) {
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write_config();
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$retval = 0;
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$retval |= filter_configure();
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if(stristr($retval, "error") <> true)
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$savemsg = get_std_save_message($retval);
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else
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$savemsg = $retval;
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if ($retval == 0) {
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clear_subsystem_dirty('natconf');
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clear_subsystem_dirty('filter');
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}
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}
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if (isset($_POST['save']) && $_POST['save'] == "Save") {
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/* mutually exclusive settings - if user wants advanced NAT, we don't generate automatic rules */
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switch ($_POST['advancedoripsec']) {
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case "ipsecpassthru":
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$config['nat']['ipsecpassthru']['enable'] = true;
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unset($config['nat']['advancedoutbound']['enable']);
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if(count($config['nat']['advancedoutbound']['rule']) == 0)
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unset($config['nat']['advancedoutbound']['rule']);
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break;
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case "advancedoutboundnat":
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$was_enabled = isset($config['nat']['advancedoutbound']['enable']);
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$config['nat']['advancedoutbound']['enable'] = true;
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if (isset($config['nat']['ipsecpassthru']['enable']))
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unset($config['nat']['ipsecpassthru']['enable']);
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if($was_enabled == false) {
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/*
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* user has enabled advanced outbound nat -- lets automatically create entries
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* for all of the interfaces to make life easier on the pip-o-chap
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*/
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$ifdescrs = get_configured_interface_with_descr();
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foreach($ifdescrs as $if => $ifdesc) {
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if (interface_has_gateway($if))
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continue;
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if($ifdesc == "wan")
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continue;
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$natent = array();
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$osipaddr = get_interface_ip($if);
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$ossubnet = get_interface_subnet($if);
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if (!is_ipaddr($osipaddr) || empty($ossubnet))
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continue;
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$osn = gen_subnet($osipaddr, $ossubnet);
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$natent['source']['network'] = "{$osn}/{$ossubnet}";
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$natent['sourceport'] = "";
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$natent['descr'] = "Auto created rule for {$ifdesc}";
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$natent['target'] = "";
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$natent['interface'] = "wan";
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$natent['destination']['any'] = true;
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$natent['natport'] = "";
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$a_out[] = $natent;
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}
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$savemsg = "Default rules for each interface have been created.";
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}
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break;
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}
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write_config();
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mark_subsystem_dirty('natconf');
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header("Location: firewall_nat_out.php");
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exit;
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}
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if (isset($_POST['del_x'])) {
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/* delete selected rules */
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if (is_array($_POST['rule']) && count($_POST['rule'])) {
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foreach ($_POST['rule'] as $rulei) {
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unset($a_out[$rulei]);
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}
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write_config();
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mark_subsystem_dirty('natconf');
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header("Location: firewall_nat_out.php");
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exit;
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}
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} else {
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/* yuck - IE won't send value attributes for image buttons, while Mozilla does - so we use .x/.y to find move button clicks instead... */
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unset($movebtn);
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foreach ($_POST as $pn => $pd) {
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if (preg_match("/move_(\d+)_x/", $pn, $matches)) {
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$movebtn = $matches[1];
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break;
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}
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}
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/* move selected rules before this rule */
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if (isset($movebtn) && is_array($_POST['rule']) && count($_POST['rule'])) {
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$a_out_new = array();
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/* copy all rules < $movebtn and not selected */
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for ($i = 0; $i < $movebtn; $i++) {
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if (!in_array($i, $_POST['rule']))
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$a_out_new[] = $a_out[$i];
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}
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/* copy all selected rules */
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for ($i = 0; $i < count($a_out); $i++) {
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if ($i == $movebtn)
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continue;
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if (in_array($i, $_POST['rule']))
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$a_out_new[] = $a_out[$i];
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}
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/* copy $movebtn rule */
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if ($movebtn < count($a_out))
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$a_out_new[] = $a_out[$movebtn];
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/* copy all rules > $movebtn and not selected */
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for ($i = $movebtn+1; $i < count($a_out); $i++) {
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if (!in_array($i, $_POST['rule']))
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$a_out_new[] = $a_out[$i];
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}
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if (count($a_out_new) > 0)
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$a_out = $a_out_new;
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else
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unset($config['nat']['advancedoutbound']);
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write_config();
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mark_subsystem_dirty('natconf');
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header("Location: firewall_nat_out.php");
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exit;
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}
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}
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$pgtitle = array("Firewall","NAT","Outbound");
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include("head.inc");
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<form action="firewall_nat_out.php" method="post" name="iform">
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<script type="text/javascript" language="javascript" src="/javascript/row_toggle.js">
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</script>
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<?php if ($savemsg) print_info_box($savemsg); ?>
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<?php if (is_subsystem_dirty('natconf')): ?><p>
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<?php print_info_box_np("The NAT configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>
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<?php endif; ?>
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<table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr><td>
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<?php
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$tab_array = array();
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$tab_array[] = array("Port Forward", false, "firewall_nat.php");
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$tab_array[] = array("1:1", false, "firewall_nat_1to1.php");
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$tab_array[] = array("Outbound", true, "firewall_nat_out.php");
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display_top_tabs($tab_array);
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?>
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</td></tr>
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<tr>
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<td>
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<div id="mainarea">
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<table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0">
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<tr>
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<td class="vtable"><p>
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<input name="advancedoripsec" type="radio" id="ipsecpassthru" value="ipsecpassthru" <?php if (isset($config['nat']['ipsecpassthru']['enable'])) echo "checked";?>>
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<strong><?=gettext("Automatic outbound NAT rule generation (IPsec passthrough)");?></strong></p>
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</td>
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</tr>
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<tr>
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<td class="vtable"><p>
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<input name="advancedoripsec" type="radio" id="advancedoutbound" value="advancedoutboundnat" <?php if (isset($config['nat']['advancedoutbound']['enable'])) echo "checked";?>>
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<strong><?=gettext("Manual Outbound NAT rule generation (Advanced Outbound NAT (AON))");?></strong></p></td>
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</tr>
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<tr>
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<td> <input name="save" type="submit" class="formbtn" value="Save">
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</td>
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</tr>
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<tr>
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<td colspan="2"><p><span class="vexpl"><span class="red"><strong>Note:<br>
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</strong></span>If advanced outbound NAT is enabled, no outbound NAT
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rules will be automatically generated any longer. Instead, only the mappings
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you specify below will be used. With advanced outbound NAT disabled,
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a mapping is automatically created for each interface's subnet
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(except WAN). If you use target addresses other than the WAN interface's
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IP address, then depending on the way your WAN connection is setup, you
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may also need a <a href="firewall_virtual_ip.php">Virtual IP</a>.</span><br>
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<br>
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You may enter your own mappings below.</p>
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</td>
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</tr>
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</table>
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<table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr id="frheader">
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<td width="3%" class="list"> </td>
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<td width="3%" class="list"> </td>
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<td width="10%" class="listhdrr">Interface</td>
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<td width="15%" class="listhdrr">Source</td>
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<td width="10%" class="listhdrr">Source Port</td>
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<td width="15%" class="listhdrr">Destination</td>
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<td width="10%" class="listhdrr">Destination Port</td>
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<td width="15%" class="listhdrr">NAT Address</td>
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<td width="10%" class="listhdrr">NAT Port</td>
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<td width="10%" class="listhdrr">Static Port</td>
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<td width="25%" class="listhdr">Description</td>
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<td width="5%" class="list">
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<table border="0" cellspacing="0" cellpadding="1">
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<tr>
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<td width="17"></td>
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<td><a href="firewall_nat_out_edit.php"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" title="add new mapping"></a></td>
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</tr>
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</table>
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</td>
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</tr>
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<?php $nnats = $i = 0; foreach ($a_out as $natent): ?>
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<tr valign="top" id="fr<?=$nnats;?>">
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<td class="listt"><input type="checkbox" id="frc<?=$nnats;?>" name="rule[]" value="<?=$i;?>" onClick="fr_bgcolor('<?=$nnats;?>')" style="margin: 0; padding: 0; width: 15px; height: 15px;"></td>
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<td class="listt" align="center"></td>
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<td class="listlr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
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<?php
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if (!$natent['interface'] || ($natent['interface'] == "wan"))
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echo "WAN";
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else if (!$natent['interface'] || ($natent['interface'] == "lan"))
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echo "LAN";
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else if ($natent['interface'] == "openvpn")
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echo "OpenVPN";
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else
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echo htmlspecialchars($config['interfaces'][$natent['interface']]['descr']);
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?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
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<?=$natent['source']['network'];?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
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<?php
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if (!$natent['sourceport'])
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echo "*";
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else
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echo $natent['sourceport'];
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?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
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<?php
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if (isset($natent['destination']['any']))
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echo "*";
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else {
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if (isset($natent['destination']['not']))
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echo "! ";
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echo $natent['destination']['address'];
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}
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?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
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<?php
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if (!$natent['dstport'])
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echo "*";
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else
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echo $natent['dstport'];
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?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
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<?php
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if (!$natent['target'])
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echo "*";
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else
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echo $natent['target'];
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?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
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<?php
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if (!$natent['natport'])
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echo "*";
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else
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echo $natent['natport'];
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?>
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</td>
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<td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
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<?php
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if(isset($natent['staticnatport']))
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echo "<CENTER>YES</CENTER>";
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else
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echo "<CENTER>NO</CENTER>";
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?>
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</td>
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336
|
<td class="listbg" onClick="fr_toggle(<?=$nnats;?>)" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
|
|
337
|
<?=htmlspecialchars($natent['descr']);?>
|
|
338
|
</td>
|
|
339
|
<td class="list" valign="middle" nowrap>
|
|
340
|
<table border="0" cellspacing="0" cellpadding="1">
|
|
341
|
<tr>
|
|
342
|
<td><a href="firewall_nat_out_edit.php?id=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0" title="edit mapping"></a></td>
|
|
343
|
</tr>
|
|
344
|
<tr>
|
|
345
|
<td><input onmouseover="fr_insline(<?=$nnats;?>, true)" onmouseout="fr_insline(<?=$nnats;?>, false)" name="move_<?=$i;?>" src="/themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" title="move selected rules before this rule" height="17" type="image" width="17" border="0"></td>
|
|
346
|
<td><a href="firewall_nat_out_edit.php?dup=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" title="add a new nat based on this one" width="17" height="17" border="0"></a></td>
|
|
347
|
</tr>
|
|
348
|
</table>
|
|
349
|
<?php $i++; $nnats++; endforeach; ?>
|
|
350
|
<tr>
|
|
351
|
<td class="list" colspan="11"></td>
|
|
352
|
<td class="list" valign="middle" nowrap>
|
|
353
|
<table border="0" cellspacing="0" cellpadding="1">
|
|
354
|
<tr>
|
|
355
|
<td><?php if ($nnats == 0): ?><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_left_d.gif" width="17" height="17" title="move selected mappings to end" border="0"><?php else: ?><input name="move_<?=$i;?>" type="image" src="/themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" width="17" height="17" title="move selected mappings to end" border="0"><?php endif; ?></td>
|
|
356
|
<td><a href="firewall_nat_out_edit.php"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" title="add new mapping"></a></td>
|
|
357
|
</tr>
|
|
358
|
<tr>
|
|
359
|
<td><?php if ($nnats == 0): ?><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_x_d.gif" width="17" height="17" title="delete selected rules" border="0"><?php else: ?><input name="del" type="image" src="/themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" title="delete selected mappings" onclick="return confirm('Do you really want to delete the selected mappings?')"><?php endif; ?></td>
|
|
360
|
</tr>
|
|
361
|
</table></td>
|
|
362
|
</tr>
|
|
363
|
</table>
|
|
364
|
</div>
|
|
365
|
</td>
|
|
366
|
</tr>
|
|
367
|
</table>
|
|
368
|
</form>
|
|
369
|
<?php include("fend.inc"); ?>
|
|
370
|
</body>
|
|
371
|
</html>
|
